幾何
三角形、円、座標幾何、証明問題。
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three students attempt to define what a circle is. can you match the te…
- Ivy's definition \(\to\) Your definition is close, but it isn't precise enough. A half - circle, for example, would also fit your definition. - Ethan's definition \(\to\) Correc…
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use the rules for working with measurements to give your answer to the …
\( 144612\space mm^{3} \)
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three students attempt to define what a line segment is. can you match …
- Duru's definition matches "What you've written is true, but it isn't a correct definition. A ray would also fit your definition." - Oliver's definition matches "Were you thinkin…
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use the rules for working with measurements to give your answer to the …
\(849\)
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use the rules for working with measurements to give your answer to the …
\(13300\space cm^{3}\) (rounded to three significant figures)
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select the most precise and correct statement about parallel lines from…
A. Line \(l\) is parallel to line \(m\) if a third line \(p\) can be constructed such that it intersects \(l\) and \(m\) both at right angles.
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use the rules for working with measurements to give your answer to the …
\(154\space in^{3}\)
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definition of an angle teachers comments durus definition: an angle is …
Oliver's definition is correct.
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definition of an angle durus definition: an angle is two rays, such as …
Oliver's definition is correct.
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transformation detective youre designing the transformation logic for a…
Translation and rotation (assuming non - \(180^{\circ}\) and proper rotations) preserve the triangle's orientation.
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the 3 - 4 - 5 rule is used to lay out an angle of how many degrees? 30 …
90
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a dimension line is drawn at right angles between which lines? object l…
extension
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youre designing the transformation logic for a grid - based video game …
The coordinate rule for a \(180^{\circ}\) rotation about the origin is \((x,y)\to(-x,-y)\)
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transformation detective youre designing the transformation logic for a…
The new coordinates of triangle \(ABC\) after reflection across the \(y\) - axis are \(A'(1,5)\), \(B'(-1,3)\), \(C'(-4,3)\).
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question 7 (multiple choice worth 1 points) (04.03r mc) point b on a se…
\((2.5,-1.25)\)
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write an equation for the area, a, of the parallelogram shown. a = 3 • …
\(6\)
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write an equation for the area, a, of the parallelogram shown. a = 1 · ?
\(A = 3\times\frac{2}{3}\)
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what is the area of the parallelogram? mm²
\(35\)
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alex is planning to surround his pool abcd with a single line of tiles.…
22.62
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find the following measurements. base = 10 units height = 15 units what…
150
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2015 > chapter 4 > section exercises 4.3 > exercise 8 graph △def and it…
Plot \( \triangle DEF \) with vertices \( D(-4,-1) \), \( E(-3,2) \), \( F(3,-2) \) and its image \( \triangle D'E'F' \) with vertices \( D'(4,1) \), \( E'(3,-2) \), \( F'(-3,2) \…
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the dimensions of this parallelogram are labeled. find the following me…
base \(= 10\) units, height \(= 12\) units
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consider the diagram. part a select the correct answer choice from each…
\(\triangle XYZ\) is similar to \(\triangle T W Z\) because the two triangles have two pairs of congruent angles.
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solve the problems: 1 what rule could be used to create the pattern 9, …
1. C. add 9 to get the next term 2. a. False; b. True; c. False; d. True 3. B. (10, 40); D. (10, 16); E. (6, 24)
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how can tanisha find the area of the parallelogram? she can? the base a…
multiply
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graph \\( \\triangle a b c \\) and its image after a rotation \\( 90^{c…
Graph \( \triangle ABC \) with vertices \( A(-4,1) \), \( B(2,4) \), \( C(3,1) \) and its image (rotated \( 90^{\circ} \) about the origin) with vertices \( A'(-1,-4) \), \( B'(-4…
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read the text. when my new knit hat arrived in the mail, i was skeptica…
Knit Wits' attentive customer service outshines any flaws in their products.
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read the text. when my new knit hat arrived in the mail, i was skeptica…
Knit Wits' attentive customer service outshines any flaws in their products.
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graph \\( \\triangle a b c \\) and its image after a rotation \\( 90^{c…
The coordinates of \( \triangle ABC \) are \( A(-4,1) \), \( B(2,4) \), \( C(3,1) \) and the coordinates of its image after a \( 90^{\circ} \) counter - clockwise rotation about t…
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find the perimeter of the polygon. round your answer to the nearest ten…
32.1
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question 2 right triangle abc is on a coordinate plane segment ab is on…
\(7\)
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parallelogram: base = 10 units height = 4 units rectangle: length = 10 …
the same as
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which is different? a 90° counterclockwise rotation about the origin a …
of the different question: \(A'(2,-1)\), \(B'(4,-2)\), \(C'(2,-4)\)
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find the following measurements. parallelogram base = 10 units height =…
\(40\)
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the graph of △abc is shown. which is different? a 90° counterclockwise …
a \(270^{\circ}\) counterclockwise rotation about the origin
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the graph of △abc is shown. which is different? a 90° counterclockwise …
a \(270^{\circ}\) counterclockwise rotation about the origin
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find the sum of the interior angle measures of a convex 20 - gon (a twe…
\(3240\)
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when a point $(a,b)$ is rotated counterclockwise about the origin, $(a,…
\(270^{\circ}\)
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practice problems (indep 5. find the value of x. must show work.
\(x = 20\)
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9. what is the inverse of the following statement? if m is the midpoint…
If \(M\) is not the midpoint of \(\overline{PQ}\), then \(\overline{PM}\) is not congruent to \(\overline{QM}\) (the first option).
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7. what is the negation of the following statement? at least one angle …
None of the angles are acute.
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find the area of the figure. (sides meet at right angles.)
\(78 - 15=63\) \(cm^{2}\)
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6. what is the negation of the following statement? m∠a is greater than…
\(m\angle A\) is less than or equal to 90.
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use the unit circle shown here to solve the trigonometric equation. sol…
\(270\)
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5. what is the converse of the following statement? if ( \triangle abc …
If \(\triangle ABC\) is isosceles, then it is equilateral.
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cad is congruent to bad by the hypotenuse leg theorem. given that ca = …
\(x = - 2\)
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4. what is the inverse of the following statement? if \\( \\triangle ab…
If \(\triangle ABC\) is not equilateral, then it is not isosceles.
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3. what is the converse of the following statement? if a triangle has t…
If a triangle is equiangular, then it has three congruent angles.
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part a select the correct answer choice from each drop - down list to m…
\(\triangle XYZ\) is **similar** to \(\triangle TWZ\) because the two triangles have **two pairs of congruent angles** (AA similarity criterion)
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2. what is the converse of the following statement? if two triangles ar…
If the corresponding angles of two triangles are congruent, then the triangles are congruent.
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1. what is the converse of the following statement? if m is the midpoin…
If \(\overline{PM}\) is congruent to \(\overline{QM}\), then \(M\) is the midpoint of \(\overline{PQ}\) (the third option).
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identify the center and scale factor of the dilation that maps figure (…
The center of dilation is point \(C\). The scale factor is \(4\).
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the perimeter of the scalene triangle is 54.6 cm. which equation can be…
\(34.8 + b=54.6\) (the fourth option in the multiple - choice list)
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figure ( j ) is the image of figure ( j ) under a dilation centered at …
Dilation centered at \((0,0)\) with scale factor \(\frac{1}{k}\) (the second option in the given list).
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which sequence of rigid motions or dilations, or both, shows this simil…
90° counterclockwise rotation around the origin followed by a dilation centered at the origin with scale factor \(\frac{1}{2}\)
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find the first mistake in solving: a ladder 20 ft long leans against a …
No mistake was made.
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look at this diagram: if ( overleftrightarrow{oq} ) and ( overleftright…
\(133\)
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find the first mistake in solving: a right triangle has hypotenuse 13 a…
Line 3
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look at this diagram! if \\( \\overrightarrow { b d } \\) and \\( \\ove…
\(127\)
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2. name the segment parallel to the given segment. 4. if c, p, and t ar…
2. a) \(\overline{XT}\) b) \(\overline{XZ}\) c) \(\overline{SZ}\) 4. a) \(26\) b) \(58\) c) \(21.5\) d) \(127\)
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in the diagram, figure ( a b c d sim ) figure ( p q r s ). which sequen…
Dilation centered at the origin with scale factor \(\frac{1}{2}\) followed by a reflection across the \(x\) - axis.
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look at this diagram: if \\( \\overrightarrow { tv } \\) and \\( \\over…
$121$
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solve the following using your calculator. (7 pts each) round to 4 deci…
$\sin35^{\circ}\approx0.5736$, $\cos49^{\circ}\approx0.6561$, $\tan36^{\circ}\approx0.7265$, $m\angle A\approx35^{\circ}$ (when $\sin A = \frac{7}{12}$), $m\angle A\approx62^{\cir…
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intensive pronouns intensive pronouns end in the word --self and are us…
1. himself 2. myself 3. yourself
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look at this diagram: if \\( \\overleftrightarrow { c e } \\) and \\( \…
\(40\)
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which of the following trigonometric relationships are true for right t…
\(\cos(\theta)=\frac{\text{adjacent}}{\text{hypotenuse}}\), \(\sin(\theta)=\frac{\text{opposite}}{\text{hypotenuse}}\), \(\cot(\theta)=\frac{\cos(\theta)}{\sin(\theta)}\)
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6. given: triangle uvw with vw = 56 cm, uv = 87 cm, and wu = 35 cm. whi…
A. \(\angle V\)
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a 35 - ft ladder leans against a wall making a 70° angle with the groun…
$32.9$ feet
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look at this diagram: if qs and tv are parallel lines and m∠tur = 131°,…
\(49\)
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throwback thursday reflexive pronouns reflexive pronouns end in the wor…
1. Circle *himself* 2. Circle *itself* 3. Circle *myself*
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which angle is the largest angle of the triangle? ∠c ∠b ∠a
\(\angle A\)
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a hot air balloon is 300 m high. the pilot sees the starting point at a…
For the first problem: \(643.36\) For the second problem: \(36.9\)
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look at this diagram. if qs and tv are parallel lines and m∠vur = 40°, …
\(140^{\circ}\)
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ab = m∠a = m∠b = system of equations save copy 1 y= 2 y= -10 0
\(AB\approx7.74m\), \(m\angle A\approx57.1^{\circ}\), \(m\angle B\approx32.9^{\circ}\)
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question 3 1 pts an airplane is flying at an altitude of 15,000 ft. the…
Question 3: \(39073\) ft Question 4: \(116.06\) ft
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4. consider the triangle below. therefore, which of the following inequ…
BC > AB > AC
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3. if f, g, and h are the midpoints of the sides of \\( \\triangle j k …
a) \(24\) b) \(74\) c) \(60\) d) \(30\)
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solve for the missing sides of a right triangle with angle 24° and hypo…
Adjacent Side: $11.88$ inches Opposite Side: $5.29$ inches ---
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4a which of the following orders the sides of the triangle from smalles…
\(\overline{AC},\overline{AB},\overline{BC}\)
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suppose the angle of depression from a race car drivers eyes to the bot…
4 feet
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if a skateboard ramp is 7 feet long and has an angle of inclination of …
0.2 feet
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are the following triangles similar? yes, the triangles were reflected …
D. Yes, the triangles were rotated and then dilated, so the shape is preserved.
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3b the length of the unknown side has to be greater than and less than …
La longitud del lado desconocido \(a\) debe ser mayor que \(12\) y menor que \(34\).
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find the value of x, to the nearest tenth, in the triangle below. 6.1 8…
\(8.7\)
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which trig function could be used to find the value of x in the triangl…
sine, cosine
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solve each problem. 1. a brand of vitamin pills comes in two sizes. the…
small bottle: $\$0.09$ per tablet; large bottle: $\$0.08$ per tablet. The better - buy is the large bottle.
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directions: use the angle addition postulate to answer each questions. …
\(x = 12\)
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teacher : find the missing angle measurement using the angle addition p…
1. \(\angle EFG = 110^{\circ}\) 2. \(\angle MNP = 110^{\circ}\) 3. \(\angle KHJ = 25^{\circ}\) 4. \(\angle QRS = 115^{\circ}\) 5. \(\angle NLM = 63^{\circ}\) 6. \(\angle DEG = 132…
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the isosceles triangle has a perimeter of 7.5 m. which equation can be …
\(2.1 + 2x=7.5\) (the fourth option)
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name: date: ny - s.ee.6 use similar triangles to explain why the slope …
Slope \(m = 3\); \(Y\) intercept \(=(0,-3)\); Equation \(y=3x - 3\)
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which set of equations is enough information to prove that lines c and …
\(m\angle2 = 99^{\circ}\) and \(m\angle4 = 99^{\circ}\)
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consider quadrilateral efgh. what is the length of line segment gh? 5 u…
16 units
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kite wxyz is graphed on a coordinate plane. what is the area of the kit…
14 square units
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a right angle intersects a line at point m. which statement is true abo…
They are complementary.
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planes a and b intersect. which describes the intersection of planes a …
line CD
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teacher : classify each angle as acute, obtuse, right, or straight. 1) …
11. Obtuse 12. Obtuse 13. Acute 14. Acute 15. Right 16. Obtuse 17. Obtuse 18. Acute 19. Straight 20. Acute
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in the triangles, tr = ge and sr = fe. if (overline{gf}=3.2) ft, which …
\(4.0\) ft
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the sum of the measures of the interior angles of a polygon is 2880°. h…
18
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betty would like to construct a right triangle. the lengths of the hypo…
B. 16 inches
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which statement is always true, based on the venn diagram? if a triangl…
If a triangle is equilateral, then the triangle must also be isosceles.