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What is the value of a?

What is the value of a?
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What is the value of a?

What is the value of a?-example-1
User Davinel
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1 Answer

6 votes

Explanation:

"The sum of all the angles in a triangle = 180”

6a° + (11a—20)° +30° = 180

17a° + 10 = 180

17a° = 170

a = 10°

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User Kevmon
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