Pls help with math question ! thank you !!

Joshua Lowry asked Jul 1, 2022

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15 votes

Pls help with math question !
thank you !!

Joshua Lowry asked Jul 1, 2022

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18 votes

Answer:

42 degrees

Explanation:

All the interior angles in a triangle add up to 180 degrees. Knowing this, we can construct the following equation:

$180=84+54+a\\180=138+a$

Subtract both sides by 138

$180-138=138+a-138\\42=a$

I hope this helps!

Bluu answered Jul 7, 2022

by Bluu

2.9k points

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