Question

Meghna painted the outside of the cabinet of measure 2m x 3m x 5m. How
much surface area did she cover if she painted all except the bottom of the
cabinet and back side?

Answer 1

Step-by-step explanation:

TOPIC:-

Volume and surface area.

GIVEN:-

Meghna painted the outside of the cabinet of measure 2m×3m×5m.

TO FIND:-

The surface area she covered if she painted all except the bottom of the cabinet and back side.

UNDERSTANDING THE CONCEPT:-

According to the question,

We have the length, breadth, height as 2m,3m,5m.

From this we can find the surface area except the bottom and back side.

CONCEPT REFRESHER:-

Since we need to paint the cabinet except the bottom and back side.

The Surface area would be ,

=> lb + bh + 2lb

REQUIRED ANSWER:-

From the formula,

$= > (2 \times 3) + (3 \times 5) + 2(2 \times 3)$

$= > 6 + 15 + 12$

$= > 33$

Therefore, The Surface she painted is 33 sq.m.