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An advertisement board is of the form of an equilateral triangle of perimeter 240cm . Find the area of the board using Heron's formula

Posted by Soujanya Reddy 5 years, 3 months ago

CBSE > Class 10 > Mathematics

2 answers

Vishu Gupta 7 years, 9 months ago

Sorry.... above 240÷2 = 80 is written.....not correct.... That is 240 ÷2 = 120

0Thank You

Vishu Gupta 7 years, 9 months ago

Side or the tri. = 240÷3=80. now, s=a+b+c/2 = 240/2 =80 Now, put herons formula Then u will get answer Like this)) 2x2x2x2x2x2x5x5xroot 3 =1600root 3 Thats the answer..... :)

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