Question

Note: Figure not drawn to scale.

In this picture, m∠AOC = 70° and m∠COD = (2x + 5)°. If ∠AOC and ∠COD are complementary angles, then what is the value of x?
A.
52.5
B.
7.5
C.
3
D.
20

Answer 1

Answer:

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Answer 2

Answer:

B. 7.5

Step-by-step explanation:

as ∠AOC and ∠COD are Complementary angles

So,

∠AOC + ∠COD = 90

70 + (2x+5) = 90

x = (90 - 70 - 5)/2

x = 7.5⁰

Hope this answer helped you