If the area of an equilateral triangle is 49√3 find its perimeter through herons formula
Answers
Answered by
0
Answer:
10.5
Step-by-step explanation:
Area of equilateral triangle = √3/4a²
Let a be the side of the triangle
√3/4a² = 49√3
4a² = 49
a² = 49/4
a = √49/√4
a = 7/2
a = 3.5
Perimeter = 3a
= 3 x 3.5
= 10.5
Therefore , perimeter is 10.5 (m or cm)
Answered by
2
Answer:
42
Step-by-step explanation:
area of eq.Δ = √3÷4×side² = 49√3
∴ side = 14
∴ perimeter =14*3 = 42
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