Question

13. Find the area of a triangle in which a = 52 cm, b = 56 cm, and c = 60 cm.
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Answer 1

Answer:

a*b*c= area

52*56*60=174720 cm cube

Answer 2

Semiperimeter = a+b+c/2

= 52+56+60/2=168/2=84cm

Area = root s (s-a)(s-b)(s-c)

= root 84 (84-52)(84-56)(84-60)

= root 84 (32)(28)(24)

= 1344 cm square.