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Class 7 Mathematics area of varied shapes questions and answers

The figure shown below, is formed by two right- angled triangles ABD and BCD.

What is the area of the triangle BCD?
A. 300 $cm^2$
B. 180 $cm^2$
C. 84 $cm^2$
D. 150 $cm^2$

(5m 12s)

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