Asked by Venus
An isosceles triangle has an interior angle of 26 degrees. Which of the following is a possible degree measure for one of the other interior angles of the triangle?
a) 52 degrees
b) 64 degrees
c) 78 degrees
d) 104 degrees
e) 128 degrees
a) 52 degrees
b) 64 degrees
c) 78 degrees
d) 104 degrees
e) 128 degrees
Answers
Answered by
Swaastikaa
The answer should be c). The sum of angles for a triangle is 180 degrees. Since this is an isosceles triangle, it must have two equivalent angles. Therefore 180-26 = 154 degrees. When we divide 154 by 2, we get 77 degrees. So the possible degree measure is 78.
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