Q26
The measure of one of the exterior angles of a triangle is twice one of the interior opposite angles and the measure of the other interior opposite angles is 60°. The triangle is a/an:
A.
right angle triangle
B.
scalene triangle
C.
isosceles triangle
D.
equilateral triangle
AnswerAnswer: Option D
Solution
Answer: Option D
Solution:
2x = x + 60°
x = 60°
This triangle is a equilateral triangle.