5. A book of length 20 cm and breadth 5 cm is kept on a table, its area is (a) 50 cm
(b) 100 cm
(c) 150 cm
(d) 200 cm​

area=length×width

20×5

=100cm

answer: input the dimensions of the room to be painted. click the button to calculate the amount of paint and man-hours needed for this job.

interior paint coverage depends on the brand of paint used. the coverage amount is listed on the label of the paint can. use this to adjust the values in the paint coverage section below. paint usually is applied at 350 to 400 square feet per gallon (primer at 200 to 300 square feet per gallon).

step-by-step explanation: