Posted by Shadow on Thursday, September 1, 2011 at 8:41pm.
The length of a rectangle is 5 cm greater than it width. The perimeter is 58 cm. What are the dimension of the rectangle?
I know the formula for Triangle Perimeter is 2(L+W) and the L is +5 more than the W but I can't write the equation for it. This is what I was thinking 58= 4x5
Thanks again.

Math  Nar, Thursday, September 1, 2011 at 8:47pm
2(x+(x+5))=58
2(2x+5)=58
4x+10=58
then subtract 10 from both side, which gives you,
4x=48
here x=12 and the length is x+5 which is 12+5=17
L:17 and B:12

Math  bobpursley, Thursday, September 1, 2011 at 8:47pm
perimeter=2(l+W)=2(w+5+w)
Answer This Question
Related Questions
 maths  the length of a rectangle is 3 less than 5 times its width. Write a ...
 math  the length of a rectangle is 5 ft more than twice the width. a)if x ...
 basic geometric  10. a rectangle has width the same as a side of a square whose...
 basic geometry  A rectangle has width the same asa a side of a square whose ...
 math  Suppose that the width of a rectangle is 5 inches shorter than the length...
 College Algrebra Math 133 unti 1 IP 1  Suppose the width of a rectangle is 5 ...
 Math (2nd Try)  A rectangle has a length of 6x^3 y^2  1 and a width of 3xy + 2...
 math  The length of a rectangle is twice the width. If the length is increased ...
 Math  The formula for the perimeter of a rectangle is P = 2l + 2w. The length ...
 math  GEOMETRY The formula for the perimeter of a rectangle is P = 2 + 2w, ...
More Related Questions