find the area of an equilateral triangle whose side length is 7 cm
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Answered by
5
Answer:
Area of equilateral triangle = √3/4 a^2
where, a = side
= √3/4 × (7)^2
= √3/4 × 49
= 21.22 cm^2
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Answered by
1
Answer:
3/4a²
3/4*7²
3/4*49
21.22
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