Question

which statement is true about the isosceles triangle below? a there is one angle equal to 90 degrees. b no sides are the same length. c there are two sides that are the same length. d there are two angles that are greater than 90 degrees.

Explanation:

Step1: Recall isosceles - triangle definition

An isosceles triangle has two sides of equal length.

Step2: Analyze each option

A: There is no indication it is a right - isosceles triangle.
B: This is false as isosceles triangles have two equal sides.
C: This is the correct property of an isosceles triangle.
D: A triangle cannot have two angles greater than 90 degrees as the sum of interior angles of a triangle is 180 degrees.

Answer:

C. There are two sides that are the same length.