Question

Hlo, Friends answer these problems

1. Find the area of triangle two sides of which are 18 cm and 10 cm and the perimeter is 42 cm.

2. Sides of a triangle are in the ratio of 12:17:25 and its perimeter is 540 cm . Find it's area.

3. An isosceles triangle has perimeter 30 cm and each of the equal sides is 12 cm . Find the area of the triangle. ​

Answer 1

Step-by-step explanation:

1 : A = 1/2 x b x h

by using this formula we can get 1st answer

sorry but idk 2 and 3

Answer 2

hope it helps u

plz mark it as brainliest