Question

3. The area of an equilateral triangle, each of whose sides measures 20 cm, will be
(1 Point)
a) 100V 3 square cm.
b)200V3 square cm.
c)50 V3 square cm.
d)50v3 square om​

Answer 1

Answer:

Area of equilateral triangle(A):

                                            A=$\frac{\sqrt{3} }{4}$$a^2$

                                            A=$\frac{\sqrt{3} }{4}$×20×20

                                           A=100$\sqrt{3}$ sq. cm

so the area is 100$\sqrt{3}$ sq. cm

option a is correct

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