4 years ago

Someone please help me with number 13

1 answer:

8 0

X = 60 degrees.

This is because the perimeter of a triangle MUST add up to 180 degrees. Since this is an equilateral triangle (meaning each side is the same length) and each side is 60 degrees, 180-120 (120 because 60 x 2 = 120) = 60.

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