Math, asked by kasifmohammad79, 11 months ago

the perimeter of an equileteral triangle is 18 units find it's area​

Answers

Answered by khushigoel1306
0

Answer:

Step-by-step explanation:

Let the side be x.

Perimeter = 3x

18=3x

x = 6

Area =( root3 xsquare)/4

= 9 root 3

Answered by anupamak888
2

Answer:

9root 3 is the ans

Step-by-step explanation:

a is side of equilateral triangle

a+a+a=18

3a=18

a=6

root 3/4 a2 formula for area of equilateral triangle

so, 9 root 3

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