length of the tow parallel sides of a trapezium are 8•5cmand 11•5cm respectively and its height is 4•2cm,find its area
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Answer:
42cm2
Step-by-step explanation:
two sides =8.5and11.5
and hight =4.2
area=1/2x(sum of parallal sides) xh
=1/2x(8.5+11.5)x4.2
=1/2x20.0x4.2
= 10x4.2
= 42cm 2
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