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Geometry help!!! Find the measure of angle A!

Geometry help!!! Find the measure of angle A!-example-1
User Poulo
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1 Answer

4 votes

Answer:

19.3

Explanation:

Since the sum of all angles inside of a triangle add up to 180, all three angles add up to 180.

x + 5x + 4x - 13 = 180

Now, we work backwards to figure out what x is.

10x - 13 = 180

Add 13 on both sides

10x = 193

Divide by ten to isolate x

x = 19.3

Since angle A is x, then it is 19.3

User Dumbfingers
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