Question

cylindrical
tank
with base
radio is
8cm
and
height is
12cm
then find T.S.A and L.S.A of that tank
​

Answer 1

GIVEN :-

• RADIUS OF CYLINDRICAL TANK = 8 cm
• HEIGHT OF CYLINDRICAL TANK = 12 cm

TO FIND :-

• TOTAL SURFACE AREA (TSA)
• LATERAL SURFACE AREA (LSA)

SOLUTION :-

LATERAL SURFACE AREA (LSA) OF CYLINDER = 2πrh

$= 2 \times \frac{22}{7} \times 12 \times 8 = 603.4 \: cm {}^{2}$

TOTAL SURFACE AREA (TSA) OF CYLINDER = 2πr ( r + h)

$= 2 \times \frac{22}{7} \times 8 \: \: (8 + 12) \\ \\ = \frac{352}{7} (16)= 804.5 \: cm {}^{2}$

FORMULA USED :-

$i)tsa \: of \: cylinder \: = 2\pi r(r + h) \\ \\ ii) \: csa \: of \: cylinder \: = 2\pi rh$