22 cm
30 cm
The adjacent figure shows the diagram of a picture frame having outer dimensions
the same, find the area of each section of the frame,
30 cm x 34 cm and inner dimensions 22 cm x 26 cm. If the width of each section is the same, find the area of each section of the frame.
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Answer:
Perimeter of trapezium = 104 m
Length of Non-parallel sides = 18 m and 22 m
Altitude = 16m
Area of Trapezium = 0.5 * (sum of parallel sides)*altitude ------ (1)
Sum of parallel sides = Perimeter - (sum of non-parallel sides) = 104 m - (18+22)m = 104-40 m = 64 m
From (1), Area of Trapezium = 0.5*64*16 = 512 m^2
Ans: Area of trapezium = 512 m^2
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