SOLUTION: ok. so the area of the paralleogram is 84 cm. the base is 5 cm more than the height. we have to write an equation to find the base and height. I figured it out to be 7 and 12 but
Algebra.Com
Question 579635: ok. so the area of the paralleogram is 84 cm. the base is 5 cm more than the height. we have to write an equation to find the base and height. I figured it out to be 7 and 12 but unsure how to prove it.
I was trying: 84= (h+5)h
Answer by richard1234(7193) (Show Source): You can put this solution on YOUR website!
You can check that 7 and 12 works and you're done.
Or, you can do
 = 84 \Rightarrow h^2 + 5h - 84 = 0)
The LHS factors:
(h+12) = 0)
h = 7 or h = -12. We discard the negative solution since length can't be negative, so h = 7.
RELATED QUESTIONS
The height of a right triangle is 5 cm more than its base. The area of the triangle is 42 (answered by Fombitz)
The height of a triangle is 3 cm more than it’s base. Find the height and base if... (answered by greenestamps)
the height of a right triangle is 3 more cm than the base. if the area is 44 cm squared,... (answered by Big Poop)
The width of a rectangle is x cm.
The length is 1•5 cm more than the width.
The... (answered by josgarithmetic)
the length of a rectangular frame is 5 cm more than the width. the area inside the frame... (answered by tutorcecilia)
The base of a triangle is 6 cm greater than the height. The area is 36 cm^2. Find the... (answered by saifoo.khan)
"the length of a rectangle is 5 cm. more than the width, and the area is 84 cm. find the... (answered by unlockmath)
The length of a rectangular picture is 5 cm more than the width. The area is 84 cm^2.... (answered by neatmath)
The base length of a right triangle is 4 cm more than its height. The area is 30 cm2.... (answered by josgarithmetic)