Question

A semi circular sheet of metal of diameter 28 cm is bent to form an open conical cup. Find the capacity of the cup.

Answer 1

when a semicircular sheet is folded at the centre ,the centre becomes the vertex of the cone and the radius becomes the slant height of the cone .

the area of semicircle becomes the curved surface area of the cup .

therefore,

$r = l$
FOR THE ANSWER REFER TO THE PIC.


$hope \: this \: helps$

Answer 2

Answer:

Step-by-step explanation: