Question

a cylinder with base radius of 8 cm and height of 2 cm is melted to form a cone of height 6 CM the radius of the cone is
a)4cm
b)5cm
c)6cm
d)8cm​

Answer 1

Answer:

volume of cylinder= volume of cone

πr²h = 1/3πr²h

(8)²× 2. = 1/3 (r)²× 6

64× 2. = 1/3 × r² ×6

64× 2 ×3 = r²

6

√64. = r²

8 cm. = r

the answer is (d)