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Which Theorem do you use to solve for D?

Which Theorem do you use to solve for D?
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3 votes
Which Theorem do you use to solve for D?

Which Theorem do you use to solve for D?-example-1
asked
User Josiah Hudson
by
7.8k points

2 Answers

2 votes
Angle sum property
d + d +50 + d - 20 = 180
3d = 180 - 50 +20
3d = 150
d = 150/3
d = 50
answered
User Siwymilek
by
8.7k points
4 votes

Answer:

D + 50 - 20 = 70

D = 70

Explanation:

answered
User Ankit Giri
by
7.7k points
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