Question

A girl wishes to prepare a birthday caps in the form of right circle cones for her birthday party using a sheet of paper whose area is 5720cm2 how many caps can be made with radius 5 cm and 12 cm

Answer 1

Answer:

given

area of cone=5720cm2

radius of cone =5cm

height of cone =12cm

Step-by-step explanation:

area of cone =volume of cone

5720=1/3$\pi$r^2h

5720=1/3×22/7×5×5×12

5720=2200/7

2200/7×5720

=2200/40040

=22/440

=20

∴20 caps can be made

hope it helps you