Coordinate Geometry
> Question
Case-Study
2 marks
Year: 2023
Easy
CBSE Class 10
coordinate-geometry
case-study
diagonal
distance-formula
Question
(ii) (b) What is the length of diagonal PR in square PQRS?
Solution
1
P
(
−
200
,
0
)
,
R
(
200
,
400
)
.
PR
=
(
200
−
(
−
200
)
)
2
+
(
400
−
0
)
2
=
40
0
2
+
40
0
2
+1 mark
2
=
320000
=
400
2
units
+1 mark
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