1.

Each side of an equilateral triangle is 8 cm long. Its area is(a) 32 cm2 (b) 64 cm2 (c) 16√3 cm2 (d) 16√2 cm2

Answer»

(c) 16√3 cm2

Because,

Area of the equilateral triangle = ((√3)/4) × (sides)2 sq. Units

= (√3 /4) × (8)2

= (√3/4) × 64)

= (√3 × 16)

= 16√3 cm2



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