Ratio and proportion in geometry II
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Lesson details
Key learning points
- In this lesson, we will divide oblique line segments into specified ratios by dividing the segment's horizontal and vertical displacements in the same ratio.
Licence
This content is made available by Oak National Academy Limited and its partners and licensed under Oakβs terms & conditions (Collection 1), except where otherwise stated.
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5 Questions
Q1.
State the ratio between the side lengths AB and BC.
10 : 4
2 : 4
4 : 10
Q2.
State the constant of proportionality between triangle ABC and triangle DEF.
2
3
4
Q3.
Find the length of side DE.
10cm
40cm
80cm
Q4.
Find the length DE.
20cm
25cm
80cm
Q5.
Find the length DE.
10cm
11.5cm
30cm
5 Questions
Q1.
Fill in the gap: We can divide a line segment into a given ________ by considering the coordinates of its endpoints.
constant
coordinate
proportion
Q2.
Fill in the gap: The _____________ of proportionality of ADE to ABC is 1.5.
coordinate
proportion
ratio
Q3.
Fill in the gap: The ratio of π΄πΈ: π΄πΆ = 6: 9 = 2:___
1
2
4
Q4.
Fill in the gap: The ratio of π΄πΈ: πΈπΆ = ___: 1
1
3
4
Q5.
A line segment ABC is split in the ratio AB to BC as 3 : 5. What fraction of the line segment is AB?
3/5
5/3
5/8