Triangles and Circles (IMO- Mathematics Olympiad Class 9): Questions 13 - 16 of 79

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Question number: 13

» Triangles and Circles

MCQ▾

Question

In the adjoining figure, AK:KS=7:9 , then AreaofYAS:AreaofYKS is ________

Given the triangle YAS and define the ratio AK: KS is 7: 9

Given the Triangle YAS and Define the Ratio AK: KS Is 7: 9

Given the triangle YAS and define the ratio AK: KS is 7: 9 and find ratio of area of triangle YAS and YKS

Choices

Choice (4) Response

a.

16:9

b.

12:13

c.

13:15

d.

15:12

Question number: 14

» Triangles and Circles

MCQ▾

Question

The area of trapezium PQRS is ________.

Given the PQRS is a trapezium

Given the PQRS Is a Trapezium

Given the PQRS is a trapezium, find the area

Choices

Choice (4) Response

a.

30cm2

b.

60cm2

c.

90cm2

d.

120cm2

Question number: 15

» Triangles and Circles

MCQ▾

Question

C1 is a circle of radius 4 cm, C2 is a circle of radius 12 cm. Jyoti wants the two circles to touch tangentially. She knows that there are two possibilities for the distance between their centers. What are these two distances?

Choices

Choice (4) Response

a.

8 cm and 10 cm

b.

8 cm and 16 cm

c.

10 cm and 16 cm

d.

13 cm and 4 cm

Question number: 16

» Triangles and Circles

MCQ▾

Question

The PQR and QSR are right angles. If PS=16cm , SR=9cm and PQ=20cm , then the length of QR and QS respectively is ________

Given the PQR and QSR are right angles

Given the PQR and QSR Are Right Angles

Given the PQR and QSR are right angles, PS is 16 cm, SR is 9 cm and PQ is 20 cm, then Find the length of QR and QS respectively

Choices

Choice (4) Response

a.

15 cm, 12 cm

b.

16 cm, 15 cm

c.

25 cm, 12 cm

d.

15 cm, 16 cm

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