Exploring Systems in the Real World

Question 1

What are the possible names of the angle shown here? Select all that apply.

Revolt · Accepted Answer

2; TSR; RST

Question 2

The supplement of a 42° angle is .

Revolt · Accepted Answer

138°

Question 3

The complement of an 81° angle is .

Revolt · Accepted Answer

9°

Question 4

The supplement of an 81° angle is .

Revolt · Accepted Answer

99°

Question 5

Which statement is not true of the given diagram?

Revolt · Accepted Answer

∠2 ≅ ∠4

Question 6

Which pairs of angles are adjacent? Select all that apply.

Revolt · Accepted Answer

∠1 and ∠3; ∠1 and ∠4; ∠2 and ∠3; ∠2 and ∠4

Question 7

The complement of a 42° angle is .

Revolt · Accepted Answer

48°

Question 8

The m∠1 is the 63° angle.

Revolt · Accepted Answer

the supplement of

Question 9

What is the measure of angle 1? degrees

Revolt · Accepted Answer

117

Exploring Systems in the Real World Answers