Question

Perimeter of a triangle is 30 cm. Its two sides are 5

cm and 12 cm, find its area​

Answer 1

Answer:

5+12=17

30-17 13

so third side =13cm

Answer 2

Answer:

The triangle is a right angle triangle with

Perpendicular side = 12 cm ,

Base side = 5cm and

Hypotenuse = 13cm.

Therefore Area = 1/2 × Base × Height

= 1/2 × 5 × 12

= 30 cm^2