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If its perimeter of an equilateral triangle is 180 cm. What will be its area

Posted by Roshan Chettri 7 years ago

CBSE > Class 09 > Mathematics

4 answers

A S 7 years ago

900√3

0Thank You

Gaurav Chaudhary 7 years ago

0Thank You

Suhani Sharma 7 years ago

If the perimeter of an equilateral triangle is 180cm, what will its area be? Perimeter is “the sum of all sides “ or this is a equilateral triangle so the perimeter is “3*side” By giving question the perimeter is 180 So,we will find the side of this triangle Perimeter= 3 X side 180=3 X side Side =180/3 Side = 60 Now the area of a equilateral triangle is A= (√3/4)(side)^2 A=(√3/4)(60)^2 A=(√3/4)(3600) A=(√3)900 A=(1.7320)900. ( The value of √3 is 1.7320) A=1558.85 cm^2.

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Anchal Bharti? 7 years ago

may be it's 15under root 3

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Posted by Yash Pandey 6 months, 1 week ago

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sides of a triangle are in the ratio of 12:17:25 and its perimeter is 540cm. find its area

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CBSE > Class 09 > Mathematics

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CBSE > Class 09 > Mathematics