if the area of an equilateral triangle id36
underoot 3cm sq find perimeter
Answers
Answered by
2
Answer:
Solution,
Here,
Length of equilateral triangle (a) = ?
Area of equilateral triangle = 36√3 cm²
or, (√3 / 4 a²) = 36 √3
or, 4a² = 36
or, a² = 9
or, a = 3
So, perimeter of equilateral traingle is = 3a = 3×3 = 9
Step-by-step explanation:
sandeep7556:
thx
Answered by
0
Answer:
now area = 36√3
√3a²/4=36√3
a²/4=36
a/2=6
a=12 cm
perimeter = 3×12=36 cm
Step-by-step explanation:
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