Triangles and Circles (IMO- Mathematics Olympiad Class 9): Questions 42 - 45 of 79

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 919 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 450.00 or

Question number: 42

» Triangles and Circles

MCQ▾

Question

An exterior angle of a triangle is 110˚ and one of the interior opposite angle is 40˚. Then the other two angles of a triangle are

Given the exterior angle of a triangle

Given the Exterior Angle of a Triangle

Given the exterior angle of a triangle is 110 and one of the interior opposite angle is 40 and fined the other two angles

Choices

Choice (4) Response

a.

110°,75°

b.

70°,40°

c.

70°,70°

d.

110°,40°

Question number: 43

» Triangles and Circles

MCQ▾

Question

In the figure, If NTAB=95 and if MB=10cm , then MT will be ________

Given the image triangle MAB and MNT , angle M is common

Given the Image Triangle MAB and MNT, Angle M Is Common

Given the image triangle MAB and MNT, angle M is common and if MB = 10 cm and find the value of MT

Choices

Choice (4) Response

a.

18 cm

b.

30 cm

c.

90 cm

d.

20 cm

Question number: 44

» Triangles and Circles

MCQ▾

Question

In triangle ABC, the altitude from A to BC meets BC at D, and the altitude from B to CA meets AD at H. if AD=4cm , BD=3cm and CD=2cm , if ADBD=AHHD then the length of HD is ________

Choices

Choice (4) Response

a.

5cm

b.

32cm

c.

52cm

d.

52cm

Question number: 45

» Triangles and Circles

MCQ▾

Question

A1 is a circle of radius 8 cm, A2 is a circle of radius 12 cm. Shivangi wants the two circles to touch tangentially. She knows that there are two possibilities for the distance between their centres. What are these two distances?

Choices

Choice (4) Response

a.

5 cm and 19 cm

b.

4 cm and 20 cm

c.

16 cm and 8 cm

d.

12 cm and 4 cm

Sign In