Question

A square side 10m have the same perimeter as rectangle with breadth 4m find the cost of floor the rectangular part at ₹ 5/10m²​

Answer 1

Answer:

32 rupees

Step-by-step explanation:

square side 10m

perimeter 4× 10m

=40m ( same as the rectangle perimeter)

rectangle perimeter = 2( length + breadth)

40 = 2 ( length+ 4)

or 20= length +4

or 16= length

area = length × breadth

= 16 × 4 = 64 m²

in 10 m² cost 5 rupees

64m². cost. 5/10 × 64

= 32 rupees