Endreu2005idn
Answered

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Find the measure of a.

Find The Measure Of A class=

Sagot :

MrRoyalidn

The measure of angle a is 70 degrees

How to determine the measure of a?

The angle in a semicircle is a right angle.

This means that:

a + d = 90

Where O is the center of the circle

From the figure, we have:

Angle d and the angle with a measure of 20 degrees are corresponding angles

This means that

d = 20

Substitute d = 20 in a + d = 90

a + 20 = 90

Subtract 20 from both sides of the equation

a = 70

Hence, the measure of angle a is 70 degrees

Read more about angles at:

https://brainly.com/question/25716982

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