Question

find the surface area

Answer 1

the ans in the picture

Answer 2

there are 2 semicircle at the both ends so
$\pi \: {r}^{2}$
22/7×25/10×25/10

$275 \div 14 {cm}^{2}$
now area of rectangle
14-2.5+2.5 (5)
45cm^2
area of figure
19.64+45
64.64cm^2