Q2. Find the area of an equilateral triangle of side 20 cm each. Let ABC be an equilateral such that
AB=BC = CA = 20cm. (Draw AD 1 BC.
th
20
B
20 cm
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Answer:
100√3
Step-by-step explanation:
area of equilateral traingle is
√3/4×a²
after putting the value of a, we get
√3/4×20²
= √3/4×400
= 100√3
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