Question

If the sides of a triangle are 7 cm, 8 cm and 5 cm, then its area is
(a) 573 cm
(b) 1073 cm
(c) 613 cm
(d) 56 cm​

Answer 1

Explanation:

Triangle

Solve for area

A≈17.32cm²

a Side

7

cm

b Base

8

cm

c Side

5

Answer 2

Answer:

If the sides of a Triangle are given and we need to find its area, then we use Heron's Formula.

What is the Heron's Formula?

s= a+b+c/2

Where 's' refers senior perimeter

Where a,b,c are the sides

So my semi perimeter is

5+7+8/2

My semi perimeter is 10.

Now,

s-a=10-5=5

s-b=10-7=3

s-c=10-8=2

So, my area will be

area= 17.32 m sq.