question_answer

The figure is made up of 8 identical rectangles, Find the total area of the shaded figure.

A)  300 sq. cm                   

B)  500 sq. cm

C)  150 sq. cm                   

D)  200 sq. cm

Correct Answer: D

Solution :

: After rearranging the given figure, we get the new figure. Area of 1 small rectangle \[=10\times 5=50\text{ }sq.\text{ }cm\] Number of shaded rectangles ^ 4 \[\therefore \]'Total shaded area \[=4\times 50=200\,sq.\,cm\]