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QUIZ

10th

grade

63%

accuracy

7

plays

Puneet Rajpal

3 years

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8 questions

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- 1. Multiple Choice3 minutes1 pt
In Right angle triangle CAB, angle A = 90º, AB = 1 m, AC = 75 cm and from the point A perpendicular is drawn on Hypotenuse BC, such that AD is perpendicular to BC & BC = 1.25 m, then Find = AD.

93.75 cm

60.2 cm

75 cm

60 cm

- 2. Multiple Choice2 minutes1 pt
The perimeters of two similar triangles ABC and PQR are 36 cm and 24 cm respectively. If PQ = 10 cm, find AB.

5 cm

10 cm

15 cm

20 cm

- 3. Multiple Choice1 minute1 pt
In $\Delta$ ABC and $\Delta$ PQR, in a one to one correspondence

AB/QR = BC/RP = CA/PQ, thenPQR is similar to ABC

PQR is similar to CAB

CBA is similar to PQR

BCA is similar to PQR

- 4. Multiple Choice2 minutes1 pt
$\Delta$ ABC and $\Delta$ DEF are equilaterals triangles, A( $\Delta$ ABC) : A( $\Delta$ DEF) = 1 : 2, If AB = 4, then what is length of DE ?

2 root 2

4

8

4 root 2

- 5. Multiple Choice2 minutes1 pt
If $\Delta$ ABC is similar to $\Delta$ DEF such that AB = 1.2 cm and DE = 1.4 cm. Find the ratio of areas of $\Delta$ ABC and $\Delta$ DEF.

4/16

25/36

36/49

50/100

- 6. Multiple Choice3 minutes1 pt
$\Delta$ ABC and $\Delta$ BDE are two equilateral triangles such that D is the midpoint of BC. The ratio of the areas of triangles ABC and BDE is ….

2:1

1:2

4:1

1:4

- 7. Multiple Choice3 minutes1 pt
The hypotenuse of a right triangle is 6m more than the twice of the shortest side. If the third side is 2m less than the hypotenuse , find the sides of the triangle.

10 m, 26 m, 24 m

10 m, 12 m, 30 m

11 m, 12 m, 14 m

5 m, 15 m, 10 m

- 8. Multiple Choice2 minutes1 pt
In $\angle$ PQR , PQ = 8 , QR = 5 , PR = 3 . Is $\Delta$ PQR is a right angled triangle ? If yes, which angle is 90º ?

$\angle$ R

$\angle$ P

$\angle$ Q

Not a right angled triangle

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