Complementary and Supplementary Angles

Question 1

Which angle pairs are supplementary? Check all that apply.

Revolt · Accepted Answer

∠4 and ∠3; ∠4 and ∠5; ∠3 and ∠6

Question 2

Use the diagram to identify the special angle pairs.

Revolt · Accepted Answer

✔ supplementary angles; ADC and BDC are .: supplementary angles; A pair of complementary angles is angles .: ACD and BCD

Question 3

✔ ACD and BCDBCE and ACDECA and ACDDBC and ACE

Revolt · Accepted Answer

✔ ACD and BCD

Question 4

Let mA = 40°. If B is a complement of A, and C is a supplement of B, find these measures.

Revolt · Accepted Answer

m: 50; 130

Question 5

Question 109507

Revolt · Accepted Answer

130

Question 6

Complete the missing parts of the paragraph proof.

Revolt · Accepted Answer

By the definition of angles, the sum of the measures of angles 1 and 2 is 180 degrees. Likewise, the sum of the measures of angles is 180 degrees. By the property, m1 + m2 = m3 + m2. Subtract the meas: supplementary; By the definition of angles, the sum of the measures of angles 1 and 2 is 180 degrees. Likewise, the sum of the measures of angles is 180 degrees. By the property, m1 + m2 = m3 + m2. Subtract the meas: 3 and 2; By the definition of angles, the sum of the measures of angles 1 and 2 is 180 degrees. Likewise, the sum of the measures of angles is 180 degrees. By the property, m1 + m2 = m3 + m2. Subtract the meas: substitution; By the definition of angles, the sum of the measures of angles 1 and 2 is 180 degrees. Likewise, the sum of the measures of angles is 180 degrees. By the property, m1 + m2 = m3 + m2. Subtract the meas: 2

Question 7

1 and 23 and 1✔ 3 and 2

Revolt · Accepted Answer

✔ 3 and 2

Question 8

additionreflexive✔ substitutionsymmetric

Revolt · Accepted Answer

✔ substitution

Question 9

1✔ 23

Revolt · Accepted Answer

✔ 2

Complementary and Supplementary Angles Answers

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