Find the area of a trapezium whose parallel sides are 55 and 40 cm and non parallel sides are 20 cm and 25 cm
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Answer:
950 --M
Step-by-step explanation:
PC = 55-40 = 15 cm
s of PBC = (25+20 + 15)/2 = 30cm
area PBC = √30(30-25)(30-20)(30-15)
= 150cm^2
1/2 * b * h = 150
1/2 * 15 * h = 150 => h = 20 cm
are of parallelogram
= 1/2 *(55+40)*20 = 950 cm^2
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