AnswersCA-Math 8 BSimilar Triangles and Slope

Similar Triangles and Slope Answers

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1
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Given k l, what can you conclude about these triangles? Check all that apply.

Question illustration
A
Vertical angles prove 1 4.
Option A
B
Alternate exterior angles prove 5 3.
Option B
C
5 and 3 are alternate interior angles.
Option C
D
The ratios of the corresponding angles are equivalent.
E
The triangles are similar because all corresponding angles are congruent.
4

Which statement is true based on the diagram?

A
PQR ~ STR
Option A
B
RST ~ RQP
Option B
C
QR corresponds to TR.
Option C
D
PR corresponds to RS.
Option D
8

Is Julia correct? If not, what was her mistake?

A
Yes, she is correct.
B
No, her proportion does not have the corresponding measures from corresponding figures in the same positions in the ratios.
C
No, she needed to have the product of the numerators equal to the product of the denominators.
D
No, she needed to multiply 7.5 to both sides.
10

Use similar triangles to determine the equation of the line with a slope of 2/3 that passes through the point (0, 3).

Answers:
Use similar triangles to determine the equation of the line with a slope of 2/3 that passes through the point (0, 3).:2/3
Use similar triangles to determine the equation of the line with a slope of 2/3 that passes through the point (0, 3).:(y – 3)/x
Use similar triangles to determine the equation of the line with a slope of 2/3 that passes through the point (0, 3).:y = (2/3)x + 3

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