## 8. Find the perimeter and area of a triangle whose sides are of lengths 52 cm, 56 cm and 60 cm respectively.

Question

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## Answers ( )

Answer: Perimeter = 168 cm; Area = 1344 cm²Step-by-step explanation:Perimeter = Sum of all sides = 52 cm + 56 cm + 60 cm = 168 cm

We can calculate area by using heron’s formula.

Area =

s = semi perimeter = 168/2 = 84 cm

a = 52 cm

b = 56 cm

c = 60 cm

Area = 1344 cm²

Step-by-step explanation:the lengths are

)a)b)cso, the perimeter = (52+56+60) cm

= 168 cm

the half perimeter (

) = (168/2) = 84 cm.snow,the rule of the area of triangle## =

√[s(s-a)(s-b)(s-c)]so, the area = √[84(84-52)(84-56)(84-60)] cm²

= √[84×32×28×24] cm²

= √1806336 cm²

= 1,344 cm²

Ihopeitisahelpfulanswer.........