Please help me it's urgent pracho.
Attachments:
Answers
Answered by
2
Answer:
1344cm²
Explanation:
sides of the triangle are a- 52cm, b-56cm, c- 60cm.
semi perimeter= (a+b+c)/2
=(52+56+60)/2= 84cm
by herons formula=√s(s-a)(s-b)(s-c)
=√84(84-52)(84-56)(84-60)
=√84×32×28×24
= 2×3×7×2×2×2×2×2
=1344cm sq
Similar questions