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Two sides of a rhombus are along the lin...

Two sides of a rhombus are along the lines, x-y+1=0 and 7x-y-5=0. If its diagnols intersect at (-1,-2), then which one of the following is a vertex of a rhombus?

A

1) `(-3, -9)`

B

2) `(-3, -8)`

C

3) `((1)/(3),-(8)/(3))`

D

4) `(-(10)/(3),-(7)/(3))`

Text Solution

Verified by Experts

The correct Answer is:
C
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