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1 vote
1 vote
angle c and angle d are supplementary angles.if the measure of angle d is 80 degress,what is the measure of angle c

User IneedHelp
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2 Answers

13 votes
13 votes

Answer:

m∠C = 100°

Explanation:

Supplementary angles are angles that add up to 180°. We are given m∠D as 80°.

  • This means that c + 80 = 180

Step 1: Subtract 80 from both sides.


  • c+80-80=180-80

  • c=100

Therefore, the answer is 100°.

16 votes
16 votes

Answer:

C = 100

Explanation:

Supplementary angles equal 180 degrees

180 - 80 = 100

User Biggusjimmus
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