421 The area of an equilateral triangle with each side measuring
10 cm is .......... cm².
A. B. 25 73 C.573 D. 375
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it is 43.1
Step-by-step explanation:
we know that area of EQUALATERAL TRIANGLE
=root3/4 ×a×A
= root3 /4×100
=root 3 × 25
= 43.1 cm ^2
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