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Gyaan Maths
CBSE · Class 6-12
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Practice Test · Class 10

Triangles

10 questions randomised from the chapter. Type each final answer and submit to see your score.

00:01
0/10 attempted
01
Right triangle legs 5,125, 12. Hypotenuse.
02
△ABC∼△DEF\triangle ABC\sim\triangle DEF: AB=4,DE=6AB=4, DE=6, area(ABC)=32(ABC)=32. Find area(DEF)(DEF).
03
Legs 9,129, 12; hypotenuse?
04
State BPT converse.
05
Similar triangles side ratio 2:32:3. Area ratio?
06
Two similar triangles have perimeters 3030 cm and 2020 cm. If one side of first is 1212 cm, find the corresponding side of the second.
07
In △ABC\triangle ABC right at BB: AB=6,BC=8AB = 6, BC = 8. Find ACAC.
08
Altitudes of two similar triangles are in ratio 5:35:3. Area ratio?
09
D,ED, E on AB,ACAB, AC: AD=1.5,DB=3,AE=1,EC=2AD = 1.5, DB = 3, AE = 1, EC = 2. Is DE∥BCDE\parallel BC?
10
State Pythagoras theorem.
Gyaan Maths — CBSE Class 6-12, built for board-toppers.
v1.1 · Sept 2026