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If the sum of the 3 angles add up to 180°, what is the measure of the angle f?
a. 35 °
b. 32 °
c. 31°
d. 30 °
please help :(


Sagot :

Answer:

D. 30°

Equilateral Triangles

Let x = the degree measure of each angle. Triangles have three angles and so we will add x THREE times. Makes sense, right? If all the angles are equal, and they add up to 180, then it has to be 60 degrees!

60°÷2 = 30°