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9 Questions with an… - QuestionCove
OpenStudy (cookiemonster18):

9 Questions with answers please (check my work.)

10 months ago
OpenStudy (cookiemonster18):

1. Which of the following is the best definition of a linear pair of angles? A. A linear pair is a pair of angles whose measures sum to 180 degrees and share a common ray. B. A linear pair is a pair of angles with a common vertex whose sum is 180. C. A linear pair is a pair of angles with a common vertex and sides that are opposite rays.**** D. A linear pair is a pair of adjacent angles with no interior points in common.

10 months ago
OpenStudy (cookiemonster18):

2. What is the value of x? A. 142 B. 132 C. 71 D. 66****

10 months ago
OpenStudy (cookiemonster18):

3. Find the value of x. A. 6 B. 12 C. 4 D. 10****

10 months ago
OpenStudy (cookiemonster18):

4. Where is the centroid of any given triangle? A. The point of concurrency of the altitudes of the triangle. B. The point of concurrency of the medians of the triangle.**** C. The point of concurrency of the perpendicular bisector of the triangle. D. The point of concurrency of the angle bisectors of the triangle.

10 months ago
OpenStudy (cookiemonster18):

5. Which of the following best describes the altitude of a triangle? A. A segment perpendicular to a side of the triangle B. A segment that passes through the midpoint and is perpendicular to a side of a triangle. C. A segment drawn from the vertex to the midpoint of the opposite side. D. A segment drawn from the vertex perpendicular to the line containing the opposite side.****

10 months ago
OpenStudy (cookiemonster18):

6. The vertices of a triangle are P(-8, 1), Q(-6, -8), and R(4, -3). Name the vertices of the image reflected across the x-axis. A. P'(-8, 1), Q'(-6, -8), R'(4, -3) B. P'(-8, -1), Q'(-6, 8), R'(4, 3)**** C. P'(8, 1), Q'(6, -8), R'(-4, -3) D. P'(8, -1), Q'(6, 8), R'(-4, 3)

10 months ago
OpenStudy (cookiemonster18):

7. What is the measure of a counterclockwise rotation about the spinner center that maps label f to label h? A. 108 B. 72**** C. 36 D. 288

10 months ago
OpenStudy (cookiemonster18):

8. The dashed-line triangle is a dilation image of the solid-lined triangle. Is the dilation an enlargement or a reduction? What is the scale factor of the dilation? A. reduction; 1/4**** B. reduction; 2 C. reduction; 1/2 D. enlargement; 2

10 months ago
OpenStudy (cookiemonster18):

9. Determine weather angle ABC--->and JGH is a reflection, translation, rotation, or glide reflection. What are the reflection line, translation rule, center and angle or rotation, or glide translation rule and reflection line? A. rotation; 180 degrees about (-0.5, 0) B. glide reflection; translate 8 units to the right then reflect across the line y=4 C. reflection; x=5 D. rotation; 180 degrees about (1,4)****

10 months ago
OpenStudy (cookiemonster18):

My answers are: 1. C 2. D 3. D 4. B 5. D 6. B 7. B 8. A 9. D Can someone please help check my work

10 months ago
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