please answer it please
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6
Step-by-step explanation:
Altitude = height = 5cm
Area of Trapezium = 1/2 × (p1 + p2) × h
40cm^2 = 1/2 × (p1 + 10cm) × 5
40 × 2 / 5 = p1 + 10
16 = 10 + p1
p1 = 16 - 10
other parallel side is 6.
Hope it helps!!
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