Question

Angles of a triangle are in the ratio 3 : 3 : 6. Name the type of the triangle:

• A. Isosceles triangle
• B. Equilateral triangle
• C. Right angled triangle
• D. none of these

Answer 1

The correct option is A Isosceles triangle

Angles of the triangle are in ratio: 3 : 3: 6
Let the angles be $3x,3x$ and $6x$
Since, the two angles are equal. Hence, the opposite sides of the triangle are equal. Thus, the triangle is an isosceles triangle.