Question

The area of triangle with given two sides 18cm and 10cm respectively and perimeter equal to 42 cm. Then the area of triangle is: *

(a) 20√11 sq cm

(b) 19√11 sq cm

(c) 22√11 sq cm

(d) 21√11 sq cm
​

Answer 1

Step-by-step explanation:

20√11sq cm

Hope it helps you mate

Answer 2

What is the area of triangle? Now, For finding area of ∆ we will use Heron's Formula. Hence, the area of triangle is 21√11 cm²