One of the bases of the trapezoid is 5 units and the height of it is 12 units. If the area
of the trapezoid is 138 square units, then what is the length of the other base?
Let "a=" the first base of the trapezoid, "b=" the second base of the trapezoid,
"h=" the height of the trapezoid.
Then
Solve for "b"
Given "a=5units, h=12units, S=138{units}^2."
Substitute
The other base of the trapezoid is 18 units.
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