Asked by Seohyun
each side of equilateral triangle is 5 cm shorter than the side of square. the sum of the perimeters of the two figures is 251 cm. how long is each side of the triangle?
solution pls.
solution pls.
Answers
Answered by
Reiny
I will set up your definitions
let each side of the square be x
then each side of the triangle is x-5
"the sum of the perimeters of the two figures is 251 cm"
translate this into your equation, then solve for x
Replace you x value in the definitions.
let me know what you got
let each side of the square be x
then each side of the triangle is x-5
"the sum of the perimeters of the two figures is 251 cm"
translate this into your equation, then solve for x
Replace you x value in the definitions.
let me know what you got
Answered by
Seohyun
is the answer is x = 128
Answered by
Reiny
not very likely!
that would make the perimeter of the square alone equal to 512
wouldn't your equation have been
4x + 3(x-5) = 251 ??
I get x = 38
(which meets all the conditions)
that would make the perimeter of the square alone equal to 512
wouldn't your equation have been
4x + 3(x-5) = 251 ??
I get x = 38
(which meets all the conditions)
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