Question

calculacte the curved surface area and total surface area of a cylinder with radius 7 cm and height 10 cm​

Answer 1

Answer:

Answer

Given: Radius=7cm,

Height=10cm

Total surface area=2πr(h+r)sq.units

=2×

7

22

×7(10+7)

=44×17=748sq.cm

Step-by-step explanation:

okk i hope its help to you

Answer 2

AnsweR :

$\sf \bold{\: Curved \: surface \: Area \: = {440cm}^{2} }$

$\sf \bold{\: Total \: surface \: area = {748cm}^{2} }$

SolutioN :

$\pink{ \boxed { \sf \: Curved \: surface \: Area \: of \: a \: cylinder = 2\pi rh}}$

$\sf \: radius \: = 7cm \\ \sf \: height = 10cm$

$\sf \large \: 2\pi rh \\ \sf = 2 \times \frac{22}{ \cancel7} \times \cancel7 \times 10 \\ \sf = 44 \times 10 \\ \sf = 440 {cm}^{2}$

_________________________

$\pink{\boxed{ \sf \: Total \: surface \: area \: of \: a \: cylinder = 2\pi r(r + h)}}$

$\sf \: radius \: = 7cm \\ \sf \: height = 10cm$

$\sf \large2\pi r(r + h) \\ \sf = 2 \times \frac{22}{ \cancel7} \times \cancel7(7 + 10) \\ \sf = 44 \times 17 \\ \sf = 748 {cm}^{2}$