Area of a rectangle with integer values for its sides, is 8 times its perimeter.
What are its sides ?
1
Expert's answer
2011-11-15T10:48:45-0500
let's denote it's sides as a,b then area is ab, perimeter is 2(a+b) ab=8*2(a+b) ab=16a+16b a=16 a/b+16 we can take a/b=1 hence a=32=b then ab=32*32=16*(32+32)=16*2*32=32*32 right so possible answer is 32,32 also we can take a/b=2 hence a=48, b=24 a/b=4 is also possible => a=80, b=20
Comments
Leave a comment