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