Question

Find the total surface are of the pencil shaped object solid. height of cone 3 cm height of cylinder 10 cm diameter 4 cm​

Answer 1

Answer:thus the answer is 2

Explanation:

Given

The Radius of a solid cylinder (r)=5cm

Height (h)=10cm

Hence

Total surface area =2πrh+2πr

2

=2πr(h+r)

=2π×5(10+5)

=π×10×15

=150πcm

2