幾何
三角形、円、座標幾何、証明問題。
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if the relative clause in bold is nonrestrictive, set it off with a com…
Sandeep steered his rowboat quietly past the fishing boats and went unnoticed by everyone, except for the man whose fishing line became hopelessly tangled around Sandeep's oar.
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2-82. examine the diagram at right. if the y - coordinate of p is 0.8, …
a. $\sin(\theta)=0.8$ b. $\cos(\theta)=\pm0.6$
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analyzing a translation. li transformed rectangle abcd. the image is sh…
Yes, the image represents a translation.
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while watching the ted - ed video on mansa musa, take notes under the t…
No specific answers are provided in the original text as it is an activity guide. For the exit - ticket question "Why is Mansa Musa considered one of the most important leaders in…
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2) suppose a cube has a volume of 125 cubic units. what is its edge len…
The edge - length of the cube is 5 units. We know that the volume of a cube is calculated by cubing the length of its edge. When the volume is given as 125 cubic units, we find th…
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while watching the ted - ed video on mansa musa, take notes under the t…
For "Mali's Wealth & Trade": - What trade goods made Mali rich? Gold and salt were major trade goods that contributed to Mali's wealth. - How did the gold - salt trade work? Trade…
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the following diagram shows two triangles. the green (upper) triangle h…
The green (upper) triangle has an area of 6 square inches. The purple (lower) triangle has an area of 6 square inches.
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a graphic designer wants to translate rectangle defg using t_-1,2(x, y)…
The image of rectangle DEFG has vertices $D'(-2,5)$, $E'(3,5)$, $F'(3,3)$ and $G'(-2,3)$.
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1) use what you know about the volume of a cube to complete the table. …
| Edge Length (units) | Volume (cubic units) | | ---- | ---- | | 1 | 1 | | 2 | 8 | | 3 | 27 | | 4 | 64 |
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triangle qrs has vertices q(8, -6), r(10, 5), and s(-3, 3). what are th…
$Q'=(0.4,-1.7)$ $R'=(2.4,9.3)$ $S'=(-10.6,7.3)$
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the following diagram shows two triangles. the green (upper) triangle h…
$6$ inches$^{2}$
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which rule describes the translation? (x,y)→(x - 8,y - 3) (x,y)→(x - 3,…
\((x,y)\to(x + 8,y - 3)\)
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spiral review problems 6 - 9: triangle def is a scaled copy of triangle…
6. Angle $DEF$ 7. Angle $EFD$ 8. Side $DF$ 9. Side $ED$ 10. (One possible answer) A rectangle with length 4 units and width 2 units 11. 32 square units 12. 2 square units
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assume each figure shown has the same orientation. which figure is the …
4
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a triangle is drawn on the coordinate plane. it is translated 4 units r…
C. \((x,y)\to(x + 4,y - 3)\)
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the following diagram shows two triangles. the green (upper) triangle h…
The green (upper) triangle has an area of \(6\) square inches. The purple (lower) triangle has an area of \(3\) square inches. Place the orange triangle (square symbols) directly …
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5. the length of a rectangle is 3 inches more than its width. if the pe…
The width is 9 inches and the length is 12 inches.
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4. glass carlo dropped a piece of stained glass and the glass shattered…
The measurement of the angle marked with a question - mark is \(74^{\circ}\). The angle is adjacent and supplementary to the angle marked \(106^{\circ}\).
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on this graph, the area of the purple rectangle corresponds to: king ha…
King Hardware's revenue from selling bolts, measured in dollars No
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king hardware sold 7 pounds of bolts yesterday at a price of $5.00 per …
The area of one small square is 1 square - dollar. There are 35 small squares in the purple shaded rectangle.
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1. letters a sign painter is painting a large “x”. what are the measure…
$\angle1 = 120^{\circ}$, $\angle2 = 60^{\circ}$, $\angle3 = 60^{\circ}$
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use the statements to write a compound statement for the conjunction or…
The compound statement $q\vee\sim r$ is true.
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suppose the diagram below shows the floor plan of a room measuring 10 f…
The green carpet has an area of 10 square feet. The area of the blue carpet is equal to the area of the green carpet.
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problem 9: spiral review for the pair of polygons, describe a transform…
Translate polygon A 4 units down.
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which is a property of an angle? has two sides that each extend forever…
has two rays that share a common endpoint
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which pair of undefined terms is used to define a ray? line and plane p…
point and line
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problem 8: spiral review for the pair of polygons, describe a transform…
Translate polygon A 3 units to the right and 2 units up.
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problem 7 can there be a triangle with two right angles? yes no
No
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problem 6 determine the measure of the missing angle
88°
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determine the measure of the missing angle.
\(24^{\circ}\)
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use the given statements. p: (-4)^2 > 0 q: an isosceles triangle has at…
True
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which angle number represents an angle vertical to ∠jrm?
∠2
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4) solve and graph the inequality x² - 23x - 108 > 0. change inequality…
The solution of the inequality $x^{2}-23x - 108>0$ is $x<-4$ or $x>27$. In interval notation, the solution is $(-\infty,-4)\cup(27,\infty)$. To graph, we use open circles at $x=-4…
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which angle number represents an angle vertical to ∠jrm? answer attempt…
4
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problem 4 angle a in triangle abc is obtuse. can angle b or angle c be …
No
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solve for m∠rsu if m∠rst = 143° and m∠ust = 83°. answer attempt 1 out o…
$60$
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question solve for m∠qrs. answer attempt 1 out of 3 m∠qrs = □°
# Explicación: ## Paso 1: Identificar los ángulos dados Observamos que el ángulo $\angle QRS$ está formado por dos ángulos adyacentes de $50^{\circ}$ y $50^{\circ}$. ## Paso 2: Su…
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18. △mnp is isosceles with $overline{mn}congoverline{np}$. mn is two le…
$x = 3$ $MN = 13$ $NP = 13$ $MP = 11$
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name the quadrant in which the angle θ lies. cos θ>0, sec θ<0 choose th…
C. The angle $\theta$ does not exist.
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17. find the length of each side if △fgh is an equilateral triangle x =…
$x = 3$ $FH=19$ $HG=19$ $FG=19$
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in the figure below, m∠1 = 107°. find m∠2, m∠3, and m∠4. m∠2 = m∠3 = m∠…
$m\angle2 = 73^{\circ}$, $m\angle3 = 107^{\circ}$, $m\angle4 = 73^{\circ}$
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solve for m∠pqs if m∠pqr = 104° and m∠sqr = 56°. answer attempt 1 out o…
$48$
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problem 3 select all of the sets of angles that could make a triangle. …
120°, 30°, 30°; 90°, 45°, 45°; 45°, 90°, 45°; 60°, 60°, 60°
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17. find the length of each side if △fgh is an equilateral triangle x =…
$x = 3$ $FH = 19$ $HG = 19$
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question solve for m∠klm. answer attempt 1 out of 3 m∠klm = submit answ…
$77$
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4. which construction could be used to construct an isosceles triangle …
4. D. Construct the perpendicular bisector of segment \(AB\). Mark any point \(C\) on the perpendicular bisector except where it intersects \(AB\). Draw segments \(AC\) and \(BC\)…
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name the quadrant in which the angle θ lies. sin θ > 0, cos θ < 0 choos…
Quadrant II
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solve for m∠nlm if m∠klm = 118° and m∠kln = 55°. answer attempt 1 out o…
$63$
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triangle abc is an isosceles triangle and the measure of one of the ang…
| Angle | Measure (degrees) | |--|--| | ∠A | 40 | | ∠B | 40 | | ∠C | 100 | or | Angle | Measure (degrees) | |--|--| | ∠A | 40 | | ∠B | 70 | | ∠C | 70 |
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16. find x, mn, and ln given △lnm x = mn = ln = 6x - 8 + 17 4x + 14
\(x = 11\) \(MN = 29\) \(LN = 29\)
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2-77. sketch a unit circle. in your circle, sketch an angle in standard…
For 2 - 77: a. Sketch an angle in the fourth - quadrant ($270^{\circ}<\theta<360^{\circ}$ or $\frac{3\pi}{2}<\theta < 2\pi$). b. Sketch an angle in the third - quadrant ($180^{\ci…
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if triangle abc is a right - triangle and m∠a = 40°, what are possible …
| Angle | Measure (degrees) | | ---- | ---- | | \(\angle A\) | 40 | | \(\angle B\) | 50 | | \(\angle C\) | 90 |
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solve for m∠cde. answer attempt 2 out of 3 m∠cde =
$123$
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lesson 9 practice problems 1. which construction can be used to determi…
1. D. Construct the perpendicular bisector of segment \(AB\). 2. D. Point \(J\) is closer to point \(A\) than it is to point \(B\) or point \(C\); E. Point \(K\) is closer to poin…
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the slope of the orange line between points a and b is , and the slope …
The slope of the orange line between points A and B is 10, and the slope of the blue line between points C and D is 7.5. The mathematical slope of the steeper line is greater than…
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which is defined using the undefined terms point and line? angle circle…
angle
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wx→ and yz→ intersect at point v. if m∠wvy=(4a + 58)° and m∠xvy=(2b - 1…
\(a = 8\) \(b = 54\)
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rays ba and bc are perpendicular. point d lies in the interior of ∠abc.…
$m\angle ABD = 47^{\circ}$ $m\angle DBC = 43^{\circ}$
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the measure of the supplement of an angle is three times the measure of…
measure of the angle = 45 measure of the angle's supplement = 135
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∠q and ∠r are complementary. the measure of ∠q is 26° less than the mea…
$m\angle Q = 32^{\circ}$ $m\angle R = 58^{\circ}$
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the measure of an angles supplement is 76° less than the measure of the…
measure of the angle = $128$ measure of the angle’s supplement = $52$
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∠e and ∠f are complementary. the measure of ∠e is 54° more than the mea…
$m\angle F = 18$ $m\angle E = 72$
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find the measures of two supplementary angles if the difference between…
B. $72.5^{\circ}, 107.5^{\circ}$
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what is an obtuse triangle? it has 1 obtuse angle it has 0 obtuse angle…
It has 1 obtuse angle
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what is a iscoceles triangle? a triangle with 0 sides of same legnth a …
A triangle with 2 sides of same length
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what kind of triangle has one angle more than 90 degrees? scalene right…
obtuse
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what is a scalene triangle? is a triangle in which all three sides have…
The blue - box description is correct. A scalene triangle is a triangle in which all three sides are of different lengths, and all three angles are of different measure.
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what is an acute triangle? acute triangles are triangles in each angle …
An acute triangle is a triangle in which each angle is acute, meaning less than 90 degrees.
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what is a triangle which has an angle of 90 degrees? a right triangle a…
A. A right triangle
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exit ticket complete each statement about the figure. 1. ∠1 and ∠_ are …
1. 2 2. 6 3. are not 4. vertical, horizontal 5. \(63^{\circ}\), \(59^{\circ}\), \(90^{\circ}\)
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a(n)________has at least two sides of equal length. isoceles scalene
Isosceles
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what is a scalene triangle? is a triangle in which all three sides diff…
The description in the orange box: "is a triangle in which all three sides different lengths, and all three angles are of different measure."
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a scalene triangle has_______equal sides. 0 4 9 3
0
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what is a iscoceles triangle? a triangle with 3 sides of same legnth a …
A triangle with 2 sides of same length
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which triangle has all equal sides? right isoceles equilateral scalene
equilateral
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amber and charlie want to meet at dunkin donuts for breakfast. it is th…
$(4.5,11)$ (It seems there is a calculation error in the above steps. The correct calculation for the x - coordinate of the mid - point between $(5,8)$ and $(-6,14)$ is $\frac{5+(…
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every triangle has to add up too... 200 degrees 180 degrees 30 degrees …
180 degrees
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which is the endpoint of a ray? point r point s point t point u
A. point R
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what is a triangle with 2 angles of same length? isoceles acute right s…
isoceles
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karen is planning a park for her neighborhood, and she wants to incorpo…
14
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how many sides are in a triangle? 5 1000 3 8
3
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how much degrees is a angle in a right triangle? 78 degrees 90 degrees …
90 degrees
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what is an obtuse triangle? it has 5 obtuse angles it has 0 obtuse angl…
It has 1 obtuse angle
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what is one thing all triangles have in common? none they all ar differ…
They all equal 180 degrees
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which expression represents the measure of segment rs? 7x - 3 7x + 5 x …
C. $x + 5$
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what is an acute triangle? acute triangles are triangles in each angle …
An acute triangle is a triangle in which each angle is acute, meaning less than 90 degrees.
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which figure represents an undefined term?
The first figure (a ray with endpoints \(X\) and \(Y\) where the arrow - head indicates it extends infinitely in one direction) represents an undefined term. In geometry, points, …
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3. the math team loves cheez - it crackers. if the box of cheez - it cr…
\(3600\) \(cm^{3}\)
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the circle shown has center o, circumference 144π, and diameters (overl…
14 ### Question 15
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which number line represents the solution set for the inequality 3(8 - …
The number line with an open circle at 3 and the arrow pointing to the right (the second number line in the image provided) represents the solution set.
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which number line represents the solution set for the inequality 3(8 - …
The second number - line (the one with an open circle at 3 and an arrow pointing to the right) represents the solution set.
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which line is parallel to line r? line p line q line s line t
line s
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the quadrilateral is most specifically a, because fill in the sentence …
The quadrilateral is most specifically a rhombus, because it has four equal - length sides.
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which pair of undefined terms is used to define the term parallel lines…
plane and line
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which number line represents the solution set for the inequality $-\fra…
The number line with a closed circle at - 8 and an arrow pointing to the left.
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which undefined term is used to define an angle? line plane point ray
D. ray
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which point is the center of the circle? o point w o point x o point y …
point X
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directions - find the distance, slope, and midpoint of the segment conn…
Slope = $-\frac{4}{3}$ Midpoint = $(5,6)$ Distance = $10$
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10 choose the answer that best defines a bisector. a a tool used in geo…
C. A line or line segment that divides something into two equal parts
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using the image above, choose the answer that shows the segment additio…
B. AB + BC = AC