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krek1111 [17]
3 years ago
11

What is the measure of angle d

Mathematics
1 answer:
choli [55]3 years ago
6 0
\angle D =\angle B\\\\
\angle B=\angle A+30\\
\angle A+ \angle B=180\\\\
\angle A+\angle A+30=180\\
2\angle A=150\\
\angle A=75\\\\
\angle B=75+30=105\\
\boxed{\angle D=105}

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