Triangles Test

Result

Triangles Test - 3

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Weekly Quiz Competition

Question 1
1 / -0

The length of each side of a rhombus whose diagonals are of lengths 10 cm and 24 cm is

A
25 cm

B
13 cm

C
26 cm

D
34 cm
Question 2
1 / -0

If ΔABC ~ ΔEDF and ΔABC is not similar to ΔDEF, then which of the following is not true?

A
BC . EF = AC . FD

B
AB . EF = AC . DE

C
BC . DE = AB . EF

D
BC . DE = AB . FD
Question 3
1 / -0

D and E are respectively the points on the sides AB and AC of a triangle ABC such that AD = 3 cm, BD = 5 cm, BC = 12.8 cm and DE || BC. Then length of DE (in cm) is

A
4.8 cm

B
7.6 cm

C
19.2 cm

D
2.5 cm
Question 4
1 / -0

A square and a rhombus are always

A
similar

B
congruent

C
similar but not congruent

D
neither similar nor congruent
Question 5
1 / -0

In triangles ABC and DEF, ∠B = ∠E, ∠F = ∠C and AB = 3DE. Then, the two triangles are

A
congruent but not similar

B
similar but not congruent

C
neither congruent nor similar

D
congruent as well as similar
Question 6
1 / -0

It is given that ΔABC ~ ΔDFE, ∠A = 30°, ∠C = 50°, AB = 5 cm, AC = 8 cm and DF = 7.5 cm. Then, the following is true:

A
DE = 12 cm, ∠F = 50°

B
DE = 12 cm, ∠F = 100°

C
EF = 12 cm, ∠D = 100°

D
EF = 12 cm, ∠D = 30°