Math, asked by nandani75, 11 months ago

1. ans- 9
2.ans-25root3

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Answered by Alcaa
0

Answer:

Option B. 25\sqrt{3} cm^{2} .

Step-by-step explanation:

We are given that each side of equilateral triangle is 10 cm.

Area of equilateral triangle = \frac{\sqrt{3} }{4}* side^{2}

                                             =  \frac{\sqrt{3} }{4}* 10^{2} = \frac{\sqrt{3} }{4}* 100

                                             = 25 * \sqrt{3} = 25\sqrt{3}  cm^{2} .

Therefore, area of an equilateral triangle is 25\sqrt{3}  cm^{2} .

Answered by Anonymous
2

hope it helps!

#sumedhian ❤❤

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