montgomeryj montgomeryj

14-07-2017
Mathematics

contestada

What is the measure of a base angle of an isosceles triangle if its vertex angle measures 40°?
a) 70°
b) 65°
c) 140°
d) 75°

Respuesta :

14-07-2017

Hello,
The sum of the angles or any triangle is always going to be 180°
So if the vertex angle is 40°, then each base angle is:
180 = 40 + 2x
x = (180 - 40) / 2
x = 70°

The answer is A.

Bye :-)

Answer Link

Flydog41 Flydog41

09-10-2020

Answer:

The Answer Is A. edge 2020

Step-by-step explanation:

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