Form 3 Mathematics
Mid-points of any quadrilateral
(Book 3B P.g 60 Supplementary Exercise 9 Question 4)
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ABCD is a quadrilateral. P, Q, R and S are the mid-points of AB, BC, CD
and DA respectively.
Drag the points B, C , D and observe PQRS. What kind of quadrilateral
must PQRS be? Can you prove it?
See Mid-point Theorem
| Further
question
If ABCD is
a trapezium, what kind of quadrilateral is PQRS? |
|
| Further
question
If ABCD is
a paralleologram, what kind of quadrilateral is PQRS? |
|
| Further
question
If ABCD is
a rhombus, what kind of quadrilateral is PQRS? |
|
| Further
question
If ABCD is
a rectangle, what kind of quadrilateral is PQRS? |
|
| Further
question
If ABCD is
a square, what kind of quadrilateral is PQRS? |
|
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