Question

Find the area of the triangle whose sides are 5cm, 7cm, 8cm

Answer 1

Answer:

by herons formula

Step-by-step explanation:

s = a+b+c/2

s = 5+7+8/2

s = 10

under root s (s-a) (s-b) (s-c)

substitute the values

under root 10 (10-5) (10-7) (10-8)

10*5*3*2

5*2*3*5*2

= 10√3 cm^2

Answer 2

hope it will help you

the answer is correct and please see is handwriting is okay if not comment me