Area of trapezium =160cm, side 1=14cm ,side 2=?and height =10
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Step-by-step explanation:
Area of a trapeziu = 160 cm square
Parallel side (a) = 14 cm
height = 10 cm
Area = 1/2 h (a+b)
160 = 1/2 x 10 (14+b)
160 = 5 x (14+b)
160 = 70 + 5b
5b = 160 - 70
5b = 90
b = 90/5
b = 18 cm
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Therefore the side of the 2nd parallel side = 18 cm.
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