Plot the points (1,1) , (-1,1) , (7,9) and (-7,9) . Join them in order. Measure the sides and find the
area of the figure so obtained.
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Answer:
80
Step-by-step explanation:
area of trapezium (L+b)/2×h
=l=10,b=5+5_10,h=9-1_8
=10+10/2×8
=80
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