HERON'S FORMULA
EXERCISE 12.1
1. A traffic signal board, indicating 'SCHOOL AHEAD', is an equilateral triangle with
side 'd'. Find the area of the signal board, using Heron's formula. If its perimeter is
180 cm, what will be the area of the signal board?
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Answered by
4
area will be =√90(90-60)(90-60)(90-60)
I think now you can calculate..!!
This is a hint
Answered by
9
Answer:
here is your answer...hope it helps
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