TCAP Success Grade 8 MATH Chapter 12

1pt

1.

**Parallel lines a and b, when cut by transversal m, form eight angles, as shown in the diagram below. Use the diagram for problems 1 and 2.**

$m\angle 2=\phantom{\rule{0ex}{0ex}}$

1pt

5.

Two adjacent angles are complementary. Are the angles acute or obtuse?

1 pt

8.

Which of the following would you use to calculate the measure of ∠7?

A

$180\xb0-m\angle 8\phantom{\rule{0ex}{0ex}}$

B

$m\angle 8+180\xb0\phantom{\rule{0ex}{0ex}}$

C

$m\angle 1+m\angle 2\phantom{\rule{0ex}{0ex}}$

D

$m\angle 2+m\angle 4\phantom{\rule{0ex}{0ex}}$

1 pt

12.

What is the measure of an angle that is supplementary to $87\xb0\phantom{\rule{0ex}{0ex}}$?

A

$-42\xb0\phantom{\rule{0ex}{0ex}}$

B

$3\xb0\phantom{\rule{0ex}{0ex}}$

C

$273\xb0\phantom{\rule{0ex}{0ex}}$

D

$93\xb0\phantom{\rule{0ex}{0ex}}$

1 pt

13.

In the diagram below, which two angles are adjacent?

A

∠1 and ∠2

B

∠2 and ∠3

C

∠1 and ∠4

D

Both A and B are correct.