The sides of a triangle are in the ratio 6 : 7 : 8 and its perimeter is 420 cm. find its area using
Heron’s formula.
Answers
Answered by
7
Step-by-step explanation:
Given, perimeter of a triangular field is 420 m and its sides are in the ratio 6:7:8. Let sides of a triangular field be a=6x, b=7x and c=8x. and c=8×20=160m. Hence, the area of triangular field is 2100√15m2.
Answered by
3
Answer:
side of triangle=x=6x
6x, 7x, 8x=420cm
21x=420cm
20cm
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