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Jlenok [28]
3 years ago
15

What is the measure of angle A in the triangle? Enter your answer in the box.

Mathematics
1 answer:
Rashid [163]3 years ago
4 0
Angles in a triangle add up to 180 degrees.
(2x-10)+(x+30)+70=180
(2x-10)+(x+30)=110
3x+20=110
3x=90
x=30
so A:
2(30)-10
=50
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Step-by-step explanation:

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Paladinen [302]

Answer:

3 1/3 feets

Step-by-step explanation:

Given that:

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