A traffic signal board,indicating ' SCHOOL AHEAD' , is an equilateral triangle with side 'a'.
Find the area of the signal board , using Heron's formula.If it's perimeter 180cm, what will be the area of the signal board????
Solve it guys!
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Answer:900√3
Step-by-step explanation:
Perimeter of equilateral triangle is 3a. So each side is 60cm
Area of equilateral triangle is (√3 /4)* a^2
So area of triangle is 900√3
In heron's formula
√{90*(30)*(30)*(30)}=
900√3
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✌️ Heya mate ✌️
Your answer is 900√3..
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