Year 11
Higher
Vector diagrams involving midpoints
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Lesson details
Key learning points
- In this lesson, we will work with vector diagrams involving midpoints. We will create new vectors given a set of criteria by combining existing vectors using addition, subtraction, division and multiplication.
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3 Questions
Q1.
Write the vector for CH.
-a - 2b
a - 2b
a+2b
Q2.
Write the vector for DA.
-2a - 3b
-2a + 3b
2a - 3b
Q3.
Write the vector for BC.
-3a - b
-3a + b
3a + b
3 Questions
Q1.
ABCD is a parallelogram. M is the midpoint of AD and N is the midpoint of CD.
B
C
D
Q2.
ABCD is a parallelogram. M is the midpoint of AD and N is the midpoint of CD.
A
B
D
Q3.
ABCD is a parallelogram. M is the midpoint of AD and N is the midpoint of CD.
B
C
D