The area of the incircle of an equilateral triangle of side 42 cm is · ABC26GN4640
Subject: General Aptitude · Chapter: Area
The area of the incircle of an equilateral triangle of side 42 cm is
(a)$22 \sqrt{3} \mathrm{cm}^{2}$
(b)$231 \mathrm{cm}^{2}$
(c)$462 \mathrm{cm}^{2}$
(d)$924 \mathrm{cm}^{2}$
Answer
Explanation
Radius of incircle = = cm = 7 3 cm. 2 3 2 3 22 Area of incircle = × 49 × 3 cm 2 = 462 cm 2 . 7 a
Explanation as extracted from the printed page; notation may be imperfect.
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