Five equal squares are joined together to form a rectangle whose perimeter is 372 cm. what is the area of one square? can anyone here please.
Follow Math Help Forum on Facebook and Google+
=961
wow how did you do that sir? can show it sir?
2 a + 2 b = 372 5 b^2 = a b
make a sketch ...
Originally Posted by skeeter make a sketch ... If one side is a then total length is 4a and one breadth is a so total perimeter is 4a+4a+2a=372 10a=372 a=37.2 so area of one square is 37.2*37.2=1383.84 math help online
Originally Posted by kraj8995 If one side is a then total length is 4a and one breadth is a so total perimeter is 4a+4a+2a=372 10a=372 a=37.2 so area of one square is 37.2*37.2=1383.84 math help online If one side is a, then the total length is 5a... Notice how there are 5 squares?
Originally Posted by kraj8995 If one side is a then total length is 4a and one breadth is a so total perimeter is 4a+4a+2a=372 10a=372 a=37.2 so area of one square is 37.2*37.2=1383.84 One side is 5a, not 4a; so 12a = 372 ; a = 31 ; a*a = 961 (as per Sir Jasper) You'll get nobody clicking on your commercial link if you keep making these silly mistakes!!
Thanks Wilmer & Educated for correcting my mistakes. And also thanks for giving me the warning. Next time I will be very careful before posting answers to the questions.
View Tag Cloud