Question

the daimeter of end of frustum of a cone is 32cm and 20 cm. if its slant height is 10 cm . find the lateral surface area

Answer 1

R=16cm
r=10cm
l=10cm
l.s area=22/7×10(16+10)=5720/7square cm

Answer 2

Answer:

R=16cm

r=10cm

l=10cm

l.s area=22/7×10(16+10)=5720/7square cm

Step-by-step explanation: