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Travka [436]
3 years ago
11

Find the measure of each angle using the triangle sum theorem and exterior angle theorem

Mathematics
1 answer:
Pani-rosa [81]3 years ago
5 0
Just add all the numbers together and then multiple it by 3
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To find the value of a, use the area formula for a triangle. The formula is A = 1/2 *b*h. Here b = x and h= x. The formula becomes A = 1/2 *x². Substitute A = 53 and solve for x by using inverse operations.

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