Question

b) A right-angled triangle whose sides measure 3 cm, 4 cm, and 5 cm is rotated about
the side of length 4 cm. Find the curved surface area of the solid obtained. Write
your answer in terms of t.​

Answer 1

Step-by-step explanation:

on rotation it will formed cone with radius 3 and slant height 5

curved surface area=π*r*l

=3.14*3*5=47.1cm2