Question

The floor of a hall is to be paved with black and white square tile. Each side of the white tile is 100 cm and black tile is 90 cm. Find the area of the floor in sq. cm of the hall. If the no. of white tile is 8 and the no. of the black tile is 10.​

Answer 1

Answer:

we know that area of square is l^2

Step-by-step explanation:

so ,

area of white sqaure=100^2=10000cm^2

Area of black square =90^2=8100cm^2

so, area of 8 white tiles=10000×8=80000cm^2

Area of 10 black tiles =8100×10=81000cm^

A.T.Q,

area of hall=80000+81000=161000cm^2