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is a square and M, N are the middle points of the sides PQ and QR, respectively. Then the ration of the area of the square to that of triangle OMN is
detailed solution
Correct option is C
Let the coordinates of vertices O,P,Q,R be (0,0),(a,0)(a,a),(0,a), respectively. Then, we get the coordinates of M as (a,a/2)and those of N as (a/2,a). Therefore, the area of ΔOMN is 12001aa/21a/2a1=3a28The area of the square is a2. Hence, the required ratio is 8:3Talk to our academic expert!
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Consider a point where m and n are positive integers.B is the reflection of A in the line is the reflection of B in the y-axis, D is the reflection of C in the x-axis and E is the reflection of D in the y-axis. The area of the pentagon is
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