What is m∠A ? Please see attachment (The Triangle Sum Theorem)

Mathematics

2 answers:

Travka [436]3 years ago

6 0

It's 60 degrees you're welcome

goblinko [34]3 years ago

5 0

The triangle sum theorem says all 3 interior angles must equal 180 degrees.

so, 43 + 35 = 78. [ 180 - 78 = 102 degrees for the missing angles shared by the 2 triangles.

102 + 18 = 120. [180 - 120 = 60}

leaving the measure of Angle A as 60 degrees.

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