find the area step by step
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cut in two figure
fist in trapezium
second in rectangle
Trapezium -
Area of trapezium - 1/2×(a+b)h
1/2×(6+12)×9
1/2×18×9
9×9 = 81cm^2
Rectangle -
Area of rectangle - l×b
l = 12 , b = 9
12 × 9 = 108cm^2
Area of full figure =
81+108 = 189cm^2
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