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OLga [1]
3 years ago
12

What is the value of b? You may assume that the ray is tangent to the circle. A) 126 B)63 C)54 D)94

Mathematics
1 answer:
Arlecino [84]3 years ago
6 0

Answer:

Option B 63°

Step-by-step explanation:

we know that

If the ray is tangent to the circle

then

a°+b°=90° -----> by complementary angles

Remember that

The inscribed angle measures half that of the arc comprising

so

<u><em>Find the measure of inscribe angle a</em></u>

∠a=(1/2)[54°]=27°

Find the measure of angle b

a°+b°=90°

substitute

27°+b°=90°

b°=90°-27°=63°

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