Home
Class 9
MATHS
The two sides of a triangle are 18 cm an...

The two sides of a triangle are 18 cm and 10 cm. Its perimeter is 42 cm. Area of this triangle is :

A

`21 sqrt11 cm^2`

B

`31 sqrt15 cm^2`

C

`48 sqrt15 cm^2`

D

`56 sqrt15 cm^2`.

Text Solution

Verified by Experts

Promotional Banner

Similar Questions

Explore conceptually related problems

Two sides of a triangle are 8 cm and 11 cm and its perimeter is 32 cm. Semi perimeter of the triangle is :

Two sides of a triangle are 12 cm and 14 cm.The perimeter of the triangle is 36 cm.What is the third side?

The lengths of three sides of a triangle are 20 cm, 16 cm and 12 cm. The area of the triangle is

The sides of a triangle are 56 cm, 60 cm and 52 cm long. Then the area of the triangle is :

Each of the equal sides of an isosceles triangle is 13 cm and its base is 24 cm. The area of the triangle is

The lengths of the sides of a triangle are in the ratio 3:4:2 and its perimeter is 144 cm. Find the area of the triangle.

The base of a triangle is 12 cm and height it 8 cm. Its area is :

An isosceles triangle has perimeter 30 cm and each of equal sides is 12 cm. Area of the triangle is :