If there are exactly two angles equal in a triangle, it is known as
Scalene triangle
Isosceles triangle
Equilateral triangle
None of these
If exactly two angles are equal, then the triangle is known as an isosceles triangle.
In a △PQR, ∠P=80∘, ∠Q=60∘ and ∠R=50∘. What type of triangle is this?
If two sides of a △ ABC are equal in length and the third side has a different length, then the triangle is a/an:
If the altitudes from two vertices of a triangle to the opposite sides are equal then the triangle is
(a) equilateral (b) isosceles
(c) scalene (d) right angled
If there are exactly two sides equal in a triangle, it is known as ___ triangle.