Prove that the figure obtained by joining the mid-point of the adjacent sides of a rectangle is a rhombus.
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Answers
Answer:
The figure is shown below:
Let ABCD be a rectangle where P,Q,R,S are the midpoint of AB,BC,CD,DA. We need to show that PQRS is a rhombus
For help we draw two diagonal BD and AC as shown in figure Where BD=AC (Since diagonal of rectangle are equal)
Proof:
From △ABD and △BCD
PS= 1/2 BD=QR and PS∥BD∥QR
2PS=2QR=BD and PS∥QR .......(1)
Similarly 2PQ=2SR=AC and PQ∥SR ........(2)
From (1) and (2) we get
PQ=QR=RS=PS
Therefore PQRS is a rhomus.
Hence proved
Step-by-step explanation:
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The figure is shown below:
Let ABCD be a rectangle where P,Q,R,S are the midpoint of AB,BC,CD,DA. We need to show that PQRS is a rhombus
For help we draw two diagonal BD and AC as shown in figure Where BD=AC (Since diagonal of rectangle are equal)
Proof:
From △ABD and △BCD
PS=
2
1
BD=QR and PS∥BD∥QR
2PS=2QR=BD and PS∥QR .......(1)
Similarly 2PQ=2SR=AC and PQ∥SR ........(2)
From (1) and (2) we get
PQ=QR=RS=PS
Therefore PQRS is a rhomus.
Hence proved
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