One side of a triangle is 3 times the second side. The third side is 17 feet longer than the second side. The perimeter of a
1 answer:
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Answer:
m∠1=103°
Step-by-step explanation:
see the attached figure to better understand the problem
we know that
An exterior angle of a triangle is equal to the sum of the opposite interior angles
so
In this problem
m∠1=m∠2+m∠3
substitute the given values
m∠1=31°+72°=103°
Here's a photo of the solution. Hope it helps and please give brainlist!
