6
Mathematics
Triangles
Similar triangles, criteria for similarity, areas of similar triangles, Pythagoras theorem.
Sample Practice Questions
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1
Easy
If two triangles are similar, the ratio of their areas equals:
ARatio of corresponding sides
BSquare of ratio of corresponding sides
CCube of ratio of corresponding sides
DHalf of ratio of corresponding sides
2
Medium
In ΔABC, DE ∥ BC and AD/DB = 3/5. If AC = 5.6 cm, then AE is:
A2.1 cm
B3.5 cm
C2.8 cm
D4.2 cm
3
Easy
The sides of two similar triangles are in the ratio 4 : 9. The ratio of their areas is:
A2 : 3
B4 : 9
C16 : 81
D8 : 18
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