How do you find the area given a=5,b=7,c=10?

1 Answer
Apr 19, 2017

Area of triangle is 16.25

Explanation:

Given three sides a,b and c of a triangle, its are is given by s(sa)(sb)(sc), where s=12(a+b+c).

As a=5, b=7 and c=10, we have s=12(5+7+10)=12×22=11

Hence, area of triangle is 11(115)(117)(1110)

= 11×6×4×1

= 264=16.25