Question

9. À wooden article was made by scooping
out a hemisphere from each end of a solid
cylinder, as shown in Fig. 13.11. If the
height of the cylinder is 10 cm, and its
base is of radius 3.5 cm, find the total
surface area of the article.​

Answer 1

Step-by-step explanation:

this will helpful to you

please mark me brainliest

Answer 2

$hiiii$

We have

Height of cylinder= 10cm

radius of base= 3.5cm

Total surface area of the article =Curved surface area of the cylinder +2 surface area of a hemisphere

=2πrh+2(2πr

2

)

=2πr(h+2r)

=2×

7

22

×3.5(10+2×3.5)cm

2

=374cm

2