The diam and slant height of cone are in ratio of 4:9 if its csa is 894cm^2 find it radius
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Curved surface area of cone = π × radius × slant height
894 = (22 × 2x × 9x)/7
6258 = 396x²
x² = 15.8
x = 3.97 ≈ 4 cm
Radius = 2x = 2(4) = 8 cm
-WonderGirl
894 = (22 × 2x × 9x)/7
6258 = 396x²
x² = 15.8
x = 3.97 ≈ 4 cm
Radius = 2x = 2(4) = 8 cm
-WonderGirl
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