Question

Find the surface area of any three tins of your house. ​

Answer 1

Surface Area find for Different Tins in House

Step-by-step explanation:

First Tin

Length = 10 cm

Width = 10 cm

Height = 30 cm

Surface Area = 2 ( 10 * 10  + 10*30  + 10*30)

= 2( 100 + 300 + 300)

= 2 * 700

= 1400 cm²

Second Tin

Length = 20 cm

Width =  10 cm

Height = 40 cm

Surface Area = 2 ( 20 * 10  + 10*40  + 20*40)

= 2( 200 + 400 + 800)

= 2 * 1400

= 2800 cm²

Third Tin

Height =  16 cm

Diameter = 10cm

Radius = 10/2 = 5 cm

Surface Area = 2πR ( R + H)

= 2 * (22/7) ( 5 + 16)

= 2 * 22 * 3

= 132 cm²

Note : All surface Area Measured are outer surface Area :

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