Question

The perimeter of the floor of a hall is 300 m and its height is 6m. Find the cost of the painting the four walls at the rate of ₹ 15 per square meter.​

Answer 1

Step-by-step explanation:

Given

Perimeter =300m.

height =6m.

2(l+b)=300m

Area of four walls =2h(l+b)

=2×6(l+b)

=6×300

=1800m

2

cost pf painting =1800×15

=RS.27,000.

Answer 2

Answer:

Answer :-

→ perimeter = 300m

→ height = 6m

• area's formula = ( l × b )

→ 300×6

→ 1800

• painting the four walls ₹ 15 per square meter

→

$1800 \times 15$

→

$2700$

√ The cost of the painting

→

$2700$

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