Types of Triangle

Any one angle of an obtuse angled triangle is ____________.

• right

• more than 90 degree

• 180 degree

• 0 degree

All the angles of an acute angled triangle is always less than _________.

• 90 degree

• 180 degree

• 60 degree

• 0 degree

In a right angled triangle one angle is right and other two are ___________.

A triangle whose any two sides are equal in length is called _________________ triangle.

All the angles and sides are equal in ________________ triangle.

A triangle has angles of 45^o, 90^o and 45^o. Name the type of triangle.

• Scalene

• Acute

• Right

• Equilateral

The sum of all angles of triangle is _______________________

The lengths of the side of a triangle is 12cm, 10cm and 10cm. Name the type of triangle.

• Equilateral

• Isosceles

• Right angled

• Scalene

The angles of a triangle is  $25\degree,75\degree and\ 80\degree$ . What kind of triangle is this? 

• Acute

• Right

• Obtuse

• Isosceles

The angles of the triangle are $60\degree,60\degree,60\degree\$  . What kind of triangle is this?

• Equilateral

• Equiangular

• Isosceles

• Right