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31 votes
31 votes
If ∠C and ∠D are complementary angles, m∠C = (4x + 3)°, find m∠D = (15x - 8)°, find m∠D.

User Stephan B
by
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1 Answer

14 votes
14 votes

Answer:

67

Explanation:

4x+3+15x-8=90(complementary angle)

x=5

now D = 15*5-8

d=67

User Prem Parihar
by
2.8k points