The base of a parallelogram is 7 ft more
than the height. If the area of the paral-
lelogram is 60 ft?, what are the measures
of the base and the height?
h+7

Respuesta :

Base = 12 ft

Height = 5 ft

Step-by-step explanation:

Let b be the base of the parallelogram

and

h be the height of parallelogram

Given

Area  = 60 ft^2

The base of a parallelogram is 7 ft more  than the height.

b = h+7

The formula for area of parallelogram is:

[tex]Area = base * height[/tex]

Putting the values

[tex]60 = h(h+7)\\\\h^2+7h=60\\h^2+7h-60=0\\h^2+12h-5h-60=0\\h(h+12)-5(h+12)=0\\(h+12)(h-5) = 0\\h+12 = 0 => h=-12\\h-5=0 => h=5[/tex]

As the measurement of length cannot be negative so h = 5

Putting h= 5 in b=h+7

b = 5+7 = 12 ft

Hence,

Base = 12 ft

Height = 5 ft

Keywords: Area, Parallelogram

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