3 years ago

Which Theorem do you use to solve for D?

Mathematics

2 answers:

mixas84 [53]3 years ago

5 0

Answer:

D + 50 - 20 = 70

D = 70

Step-by-step explanation:

kirill115 [55]3 years ago

4 0

Angle sum property
d + d +50 + d - 20 = 180
3d = 180 - 50 +20
3d = 150
d = 150/3
d = 50

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