Question

how many tiles measuring 20cm×20cm is required to pave 1m wide strip around the rectangular pool 10 m×8m?​

Answer 1

Answer:1000 tiles

Step-by-step explanation:

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Answer 2

A1. find area of rectangle =10*8 = 80 m^2

length of pave around the rectangle = 10+2=12 m

and breadth of pave around the rectangle = 8+2 = 10m

area of pave = (12×10) - 80

= 40 m^2 or 40 × 10,000

= 400,000 cm^2

area of tile = 20×20

= 400 cm^2

no of tiles = 400,000 / 400

= 1000