What type of triangle is said to be equilateral?

• If at least two sides are equal

• If one angle is 90 degrees

• If all sides have the same length

• If all sides are different

In an equilateral triangle, what is the measure of each angle?

• 60°

• 45°

• 90°

• 120°

Sum of an exterior angle of a triangle and its adjacent interior angle is always .......... as they form a straight line.

• 180°

• 45°

• 90°

• 120°

What is an Isosceles triangle?

• One angle is 90 degrees

• No sides are equal

• At least two sides are of the same length

• All sides are equal

What is the non-equal side of an Isosceles triangle called?

• Base

• Height

• Median

• Angle

What can be said about the base angles of an Isosceles triangle?

• They are all different

• They are always obtuse

• They have equal measure

• They are always 90 degrees

. In equilateral triangle the altitude and median will be ........

• nothing

• different

• same.

• 90 degrees

The sum of the length of any two sides of tringles is ............. than the length of third side.

• nothing

• smaller

• equal

• greater

The difference between the lengths of any two sides is .............. than the length of third side.

• nothing

• smaller

• equal

• greater

An exterior angle of a triangle is equal to................... and this is called as exterior angle property of a triangles

• nothing

• the sum of its interior opposite angles

• the sum of its exterior opposite angles

• 90 degrees