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Fynjy0 [20]
2 years ago
9

the area of the trapezoid is (3/4x-1/4) square centimeters. two pairs of expressions that represent possible lengths of bases. h

eight is 1/2 centimeters
Mathematics
1 answer:
slava [35]2 years ago
4 0
Let a and be be the bases. 
The formula of the area is the following :
\frac{a+b}{2}\times h= \frac{a+b}{2}\times\frac{1}{2}=\frac{a+b}{4}
Equating we get the equation:
\frac{a+b}{4} = \frac{3}{4} x- \frac{1}{4} = \frac{3x+1}{4}
So, identifying we get two possible expression:
a=3x,b=1
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