the area of equilateral triangle is 64root3cm find the base of the triangle and its perimetre
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Answered by
4
Letthe side of the equilateral triangle be a cm
area of the triangle
4
3
a
2
=64
3
⇒a
2
=
3
4×64×
3
⇒a
2
=256
⇒a=16
perimeter of the triangle=3a=3×16=48 cm
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Answered by
1
Answer:
A/ Q
√3/4s^ = 64√3
s^ = 64√3 ×. 4/√3
s^ = 256
s = 16cm
therefore, perimeter = 3s
= 3×16
= 48 cm
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