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What is the measure of angle A in the triangle below? Right triangle A B C is shown. Side B C has a length of 9 and hypotenuse A B has a length of 18. 30° 45° 60° 90°

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Answer:

The answer is 30°

Step-by-step explanation:

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abidemiokin

The measure of the angle A is 30 degrees

SOH CAH TOA identity

According to the identity

sin theta = opposite/hypotenuse

Given the following parameters

BC = 9

AB = 18

Substitute

sin theta = 9/18
sin theta = 0.5

theta = arcsin(0.5)

theta = 30degree

Hence the measure of angle A is 30 degrees

Learn more on angles here: https://brainly.com/question/25770607

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