Question

if r=7 h=10 then find slant height of cone

Answer 1

l = root [(7 square)+(10 square)]
l = root [ 49 +100 ]
l = root149
l = 12.2

Answer 2

slant hight of a cone => l = √[r^2+h^2] = √(49+100) = √149 = 12.21 cm