4 years ago

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

Mathematics

2 answers:

Snezhnost [94]4 years ago

8 0

Answer:

Step-by-step explanation:

complementary angles meaning sum of both angles is 90

so equations is

(4x + 3) + (15x – 8) = 90

x=5

insert x into angle d equation

d=15(5)-8

d=60-8

d=52

Mariulka [41]4 years ago

6 0

Answer:

<D = 67 degrees

Step-by-step explanation:

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