Question

45. The radius and height of a right circular cone are in the ratio of 5:12 and its volume is 2512 cm. The slant height of the cone is (1) 24 cm (2) 25 cm (3) 26 cm (4) 27 cm

11th - 12th Class

Maths

Solution

129

4.0 (1 ratings)

( frac{gamma}{h}=frac{5}{12} quad ) Volume ( =2512 ) ( gamma=frac{5}{12} n ) ( l^{2}=m^{2}-1 b^{2} ) ( l=sqrt{10^{2}+24^{2}} ) ( =26 mathrm{cm} )