Question

Triangles having two sides equal in length are called ________________ triangle.

• A. scalene
• B. equilateral
• C. isosceles
• D. right-angled

Answer 1

The correct option is C

isosceles

Scalene triangle is a triangle in which none of the sides are equal.

Equilateral triangle is a triangle whose all three sides are equal in length.

Isosceles triangle is a triangle in which two sides are of equal measure.

Right angled triangle is a triangle whose one angle is exactly $90°$,and two sides may or may not be equal .