Question

from a rectangular chart paper of size 100cm by 80cm, six square of side 20cm each were cut out find the area of the remaining chart paper

Answer 1

ⓢoLuTiOn :-


====================================


⊙ Area of a rectangle :-


$l \times b \\ \\ 100 \times 80 = 8000cm {}^{2}$



Now , area of a square =

$(side) {}^{2} \\ \\ 20 {}^{2} = 400cm {}^{2}$



so, the area of the six squares are :-

$400 \times 6 = 2400cm {}^{2}$



so, area remain =


$8000 - 2400 = 5600cm {}^{2}$



Hope it helps you


Thanks for asking......


$<b > prabhudutt$

Answer 2

Answer:

Step-by-step explanation:

Area of the chart. l*b. 100*80. 8000cm square. Area of 1 square is s *s 20*20 400 area of 6 squares is 400*6 2400cm square. Remaining area is area of chart - area of 6 squares 8000-2400 which is 5600