Question

A square sheet whose perimeter is 32 cm is painted at the ratio of rupees 5 per metre square. the cost of painting is​

Answer 1

Answer:

320 rupees

Step-by-step explanation:

perimeter= 4×side

so, side = 32÷4=8

Area =(side)²

=8×8=64

cost of painting =64×5

=320 rupees

Answer 2

Answer:

4×side = Perimeter of square

4×side = 32cm

side = 32/4

side = 8cm

1cm = 1/100m

8cm = 1/100×8 m = 0.08m

Area of square = side × side

Area of square= 0.08 × 0.08

Area of square = 0.0064 m

1metre = ₹5

0.0064 m = 0.0064×5

= ₹0.0320

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