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A day full of math games & activities. Find one near you.
The formula for the area of a trapezoid with altitude k and bases m and n is . A = k/2(m + n). Solve for m.
Solution:
Given:
Area of a trapezoid is A = k/2(m + n)
k= altitude
m and n = bases
Since we need to solve for m, let us isolate the variable 'm'.
It can be written as A = ((m + n)/2) × k
1/2(k)(m + n) = A
2A/k = m + n
m = 2A/k - n
The formula for the area of a trapezoid with altitude k and bases m and n is . A = k/2(m + n). Solve for m.
Summary :
If the formula for the area of a trapezoid with altitude k and bases m and n is A = k/2(m + n), then m = 2A/k - n.
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