6. Find the area of composite figures:
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Answer:
a) Area of rectangle+Area of right triangle = Area of the whole figure
Area of rectangle=l×b
Area of right triangle =1/2×base × height
Further,
11×7
77m
1/2×7×6
21m
Therefore total area is
21+77=98m
b)area of triangle + area of semi circle=area of the figure
1/2×12×9=54m
1/2×22/7×6×6
396/7m
57+396/7
57+56.56
113.56m
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