8. ABCD are mid points of the rect-angle. AB 10 cms. If one of the sid – InterviewSolution

1.

8. ABCD are mid points of the rect-angle. AB 10 cms. If one of the sidesof the rectangle is 12 cms, what is thearea of ABCD?(a) 100 sq cms(b) 96 sq cms(c) 192 sq cms(d) 154 sq cms

Answer»

ab²=1/a²+1/2b²100=36+1/2b²100-36=1/2b2√64=1/2b²16=Barea = 12*16= 192sq cms

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