The perimeter of a triangle is 420m and its sides are in the ratio 6:7:8. Find the area of the triangle ground .
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Answered by
4
6x+7x+8x=420
21x=420
x=20
so sides are 120,140,160
21x=420
x=20
so sides are 120,140,160
Answered by
1
let the sides be 6x,7x,8x
6x+7x+8x=420
21x=420
x=20
6x=6*20=120
7x=7*20=140
8x=8*20=160
s=120+140+160/2=420/2
=210
area=√s(s-a)(s-b)(s-c)
√210*90*70*50
SOLVE IT, U GET THE ANSWER.
6x+7x+8x=420
21x=420
x=20
6x=6*20=120
7x=7*20=140
8x=8*20=160
s=120+140+160/2=420/2
=210
area=√s(s-a)(s-b)(s-c)
√210*90*70*50
SOLVE IT, U GET THE ANSWER.
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