几何
三角形、圆、解析几何与证明题。
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assume angles are in degrees. \\(\\sin(354)\\) is the same as (a) \\(\\…
E. $\sin(-6)$
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a ship named the rosalie was seen in the bermuda triangle in 1840. the …
B. a fire, E. an accident
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15 multiple choice 5 points rectangle abcd is shown on the grid. what i…
34 square units
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given abcd is a parallelogram. prove: ∠a≅∠c and ∠b≅∠d. by the definitio…
- Using AD as a transversal, ∠A and ∠D are same - side interior angles, so they are supplementary. - Using side BC as a transversal, ∠B and ∠C are same - side interior angles, so …
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this question has two correct answers. select both. press the submit bu…
A. trucks B. boats
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is ab parallel to cd? explain. no, because the slopes of the lines are …
No, because the slopes of the lines are not equal.
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problem 9: spiral review determine the missing angle measure in the equ…
60°
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4. if ab = 20 and ac = 30, then find the value for bc. be sure to inclu…
$10$
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multiple choice 5 points rectangle abcd is shown on the grid. what is t…
34 square units
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b is the midpoint of ac. find ab. a 7x - 6 b 12 - 2x c
8
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solve for the value of b.
\(b = 4\)
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4. if ab = 20 and ac = 30, then find the value for bc. be sure to inclu…
4. \(BC = 10\) 5. \(x = 28\)
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this selection gives facts and details about the bermuda triangle. this…
C. informational
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line l bisects the segment. find the length of ab.
$5.8$
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solve for the value of v.
38
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find the midpoint between a(-5, 25) and b(7, 15) midpoint=( , )
$(1,20)$
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solve for the value of x.
98
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solve for the value of k.
$k = 15$
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if (lparallel mparallel n), find the value of (x). (8x - 11)° (7x + 8)°
\(x = 19\)
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given (mparallel n), find the value of (x). answer attempt 1 out of 3 (…
23
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given m||n, find the value of x. answer attempt 1 out of 2 x =
\(x = 138\)
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given m||n, find the value of x. answer attempt 1 out of 3 x =
33
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card letter: g answer from previous card: 90° complimentary next questi…
One possible set of vertical angles (assuming appropriate angle - naming in the drawing) is the pair of angles that are opposite each other at the intersection of the two lines.
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given m||n, find the value of x. answer attempt 1 out of 3 x =
\(33\)
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8. consider the following graph of a line. 8a what is the slope of the …
$4$
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find the length of the segment. round to two decimal places if necessar…
\(14.87\)
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the length of a shadow of a building is 30 m. the distance from the top…
$21.7$
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19. multiple choice 5 points what is the equation of the line that is p…
$(5,-14)$
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multiple choice 5 points ilana wants to find the perimeter of triangle …
13 units
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y = \\frac{1}{2}\\sin x plot all points corresponding to x - intercepts…
The x - intercepts are $(0,0),(\pi,0),(2\pi,0)$; the maximum point is $(\frac{\pi}{2},\frac{1}{2})$; the minimum point is $(\frac{3\pi}{2},-\frac{1}{2})$
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graph the ellipse. 9x² + 4y² = 36
Sketch an ellipse centered at the origin with vertices $(0,3),(0, - 3),(2,0),(-2,0)$
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14 multiple choice 5 points what is the distance between the two points…
For the distance between $P(2,8)$ and $B(1,3)$: $\sqrt{26}$; For the perimeter of $\triangle ABC$: approximately $15$ units.
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11 multiple choice 5 points what is the slope of a line that is perpend…
11. D. 4 12. C. \((7,6)\)
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find tv. a. 6 b. 24 c. 12 d. 48
B. 24
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follow the guided instructions below to rotate the figure 180° clockwis…
Follow the steps: 1. Use the rule $(x,y)\to(-x,-y)$ for each vertex of the figure. 2. Plot the new vertices. 3. Connect the new vertices to form the rotated figure.
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find uv. g u h 16 a. 8 b. 16 c. 32 d. 4
A. 8
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find tr s e 11 f t r a. 5.5 b. 11 c. 22 d. 33
C. 22
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pre - calculus friqz #2: pythagorean thm, parallel & perpendicular line…
For the first triangle: State \(x\) in radical form: \(\sqrt{300}\text{ cm}\) State \(x\) as a decimal approximation: \(17.32\text{ cm}\) State \(x\) in simplified radical form: \…
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x + 22 10 a. x + 22 + 10 = 48 b. x + 22 - 10 = 48 c. x + 22 + x + 22 + …
C. $x + 22+x + 22 + 10 = 48$
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the perimeter of the equilateral triangle below is 75. solve for the va…
B. 5
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find the value of x. m∠2 = x + 85
A. -12
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a square has an area of 79 square units. determine its side length. the…
Side - length: $\sqrt{79}$ units; $\sqrt{79}$ is an irrational number.
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find the value of x. x + 3 12 a. -12 b. -9 c. 15 d. 9
D. 9
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find the value of x. 60° a. 60° b. 48° c. 120° d. 67°
A. 60°
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a square has an area of 79 square units. determine its side length. the…
C. 8 and 9
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find the value of x. a. 138° b. 78° c. 68° d. 56°
D. 56°
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find the value of x. 50° a. 108° b. 50° c. 64° d. 80°
d. \(80^{\circ}\)
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tell whether the pair of angles are 17. ∠1 and ∠2 18. ∠1 and ∠3 19. ∠1 …
$x=\frac{5}{7}$, $y = \frac{295}{7}$
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find cotθ, cscθ, and sinθ, where θ is the angle shown in the figure. gi…
$\cot\theta=\frac{\sqrt{11}}{5}$, $\csc\theta=\frac{6}{5}$, $\sin\theta=\frac{5}{6}$
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next question: use correct notation to list all congruent angles
$\angle D\cong\angle A$, $\angle I\cong\angle M$
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what is the side length of a square with an area of 52 square units? un…
7 and 8
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for the following right triangle, find the side length x. round your an…
$15.59$
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problem 6: (first taught in lesson 29) complete this sentence with the …
C. obtuse
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problem 22: (first taught in lesson 29) write the converse of this stat…
The converse statement: If a triangle has at least two equal sides, then it is isosceles. It is True.
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problem 21: (first taught in lesson 29) write the converse of this stat…
A. If a triangle has all sides with different lengths, then it is scalene; true
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4. what are the interior angles in the picture below? angles 5, 6, 7 an…
angles 3, 4, 5 and 6
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problem 20: (first taught in lesson 2) select the venn diagram that rep…
The Venn - diagram with a circle labeled "Animals with sad eyes" and a smaller circle inside it labeled "Basset Hounds", and a point labeled "Homer" outside the "Animals with sad …
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geometry a (fa25) co 3 / geometry a / angles and lines 3. what is m∠acd…
$137^{\circ}$
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problem 19: (first taught in lesson 2) select the venn diagram that rep…
A. The Venn - diagram shown (where the circle of "Angry fans" is inside the circle of "Thinks the umpire is blind" and "Mike" is inside the "Angry fans" circle)
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2. what kind of angle pair are ∠1 and ∠7? corresponding angles alternat…
Alternate Exterior Angles
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three times the measure of an angle is equal to twice the measure of th…
$72^{\circ}$
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(d) problem 17: the complement of an angle is 1.5 times as large as the…
36°
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1. which pair of angles are vertical angles in the picture below? angle…
angles 3 and 5
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1. which pair of angles are vertical angles in the picture below? angle…
angles 3 and 5
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to solve for the lengths of the right triangle sides, which equation is…
A. $x^{2}+(3x - 1)^{2}=(5x + 7)^{2}$
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11. using the diagram below, classify the angle pairs as corresponding,…
a. Consecutive interior angles b. Alternate exterior angles c. Corresponding angles d. Alternate interior angles e. Corresponding angles f. Alternate exterior angles g. Consecutiv…
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(c) problem 16: given $overline{ab}paralleloverline{jk}$, find y. after…
$y = 27$
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problem 15: given $overline{ab}paralleloverline{jk}$, find $x$. (first …
$x = 4$
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part a - what is the scale - factor for the dilation of triangle abc? -…
Part A: Without side - length values, we can't give a numerical scale factor. The scale factor \(k\) of the dilation of triangle \(ABC\) is found by taking the ratio of the length…
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graph the image of kite jklm after a dilation with a scale factor of 1/…
$J'$: $(1,-2)$ $K'$: $(2,0)$ $L'$: $(1,2)$ $M'$: $(-2,0)$
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problem 14: (first taught in lesson 24) from this diagram, select the p…
A. $\ell\parallel n$
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for the following right triangle, find the side length x. round your an…
$12.81$
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reading check! \safety of numbers\ by lucy tan (shortened version) name…
1. B. That being surrounded by friends is safer than being alone 2. C. She begins to understand that her mother's strictness comes from past trauma and fear 3. C. It symbolizes he…
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problem 13: (first taught in lesson 27) from this diagram, select the p…
E. None
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problem 12: (first taught in lesson 12) from this given statement, sele…
None of the provided options are correct. The correct justification is the definition of a mid - point.
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problem 11: (first taught in lesson 13) from this given statement, sele…
A. Addition Property
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graph the image of kite (jklm) after a dilation with a scale factor of …
$(1,-2)$
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graph the ellipse. 25x² + 9y² - 150x + 36y + 36 = 0
Graph an ellipse with center \((3,-2)\), vertices \((3,3)\), \((3,-7)\), \((6,-2)\), \((0,-2)\) on the given coordinate - plane.
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select the legs and hypotenuse of △adj. a. legs: $overline{ad}$ and $ov…
C. Legs: $\overline{AJ}$ and $\overline{DJ}$; hypotenuse: $\overline{AD}$
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(a) problem 9: decide what kind of triangle △adj is with respect to its…
A. Isosceles triangle; right triangle
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part b which statement describes the transformation of figure 2 into fi…
We need to see the figures to determine the correct answer. Without visual information about Figure 2 and Figure 3, we cannot choose from A. reflection across the x - axis, B. ref…
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in this triangle, select the included and opposite sides for ∠s. a b c …
Included sides: $\overline{RS}$ and $\overline{SQ}$; opposite side: $\overline{RQ}$
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on the coordinate plane shown, figure 1 is transformed into figure 2, w…
Rotation
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problem 7: (first taught in lesson 28) in this triangle, select the inc…
Incorrect. The included sides of $\angle S$ are $\overline{RS}$ and $\overline{SQ}$, and the opposite side is $\overline{RQ}$.
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complete this sentence with the best of the choices given. a right tria…
A right - triangle has one angle with a measure of 90 degrees. Since the options are not fully visible, assuming a correct option among them is "90 degrees". If we had to choose b…
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consider the figures given below and drop the appropriate result in the…
For the first pair of figures (blue to red), if the figure just moves without change in orientation or size, it is a Translation. For the second - if the figure turns around a poi…
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sample sentence,spelling pattern,your sentence the old man claimed that…
1. The bell rang loudly. 2. The cute horse ate the apple. 3. The happy child played in the park. 4. The circle on the paper was blue. 5. The misspell in his essay was obvious.
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put the angles in order from least to greatest for the triangle below. …
1. Middle = a. $\angle L$ 2. Least = c. $\angle M$ 3. Greatest = b. $\angle K$
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a. $overline{xv}$ b. $overline{wx}$ c. $overline{vw}$ 1. shortest = 2. …
1. Shortest = a. \(\overline{XV}\) 2. Middle = c. \(\overline{VW}\) 3. Longest = b. \(\overline{WX}\)
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two sides of a triangle have the measures 12 and 10. find the range of …
A. \(2<x<22\)
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put the angles in the triangle below in order from least to greatest. o…
D. $\angle S,\angle R,\angle T$
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value: 5 the sides lengths 4, 6, 9 can be used to form the sides of a t…
True
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this square has an area of 13 square units. what is the side length of …
3 and 4
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the sides in order from shortest to longest for the triangle below are …
True
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find the measure of the indicated angle that make lines.
1. 81° 2. 74° 3. 57° 4. 72°
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write a rule to describe each transformation. 10) s(1,3), t(4,4), u(4,1…
10. Rule: \((x,y)\to(x - 6,y - 6)\) 11. Rule: \((x,y)\to(x + 1,y - 1)\) 12. \(Q'(-1,-1),R'(-1,0),S'(3,-1),T'(2,-5)\) 13. \(B'(-5,0),C'(-3,1),D'(-1,-3)\)
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which set of shapes can be arranged in 6 equal groups, with no shapes l…
The set of red triangles.
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a square has an area of 47 square units. what is the side length of thi…
No, $\sqrt{47}$ is not equal to a whole number.
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a square has an area of 47 square units. what is the side length of thi…
$\sqrt{47}$
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if m∠3 = 111, what is m∠14? (not drawn to scale) a 69 b 111 c 90 d 21
B. 111