A rectangular piece of paper with length 38 cm and width 18 cm has two semicircles cut out of it, as shown below. Find the area of the paper that remains. Use the value 3.14 for pi and do not round your answer. Be sure to include the correct unit in your
answer.

it will cost dollar $540

the living room is 3 which means if we divide 325/3 then we get $108

therefore if 1part of the living room cost $108 and 3 costed $325

then total 5part of the room will cost 5*108 which gives $540

the terms in pattern b are 4 times the terms in pattern a