IMO Level 1- Mathematics Olympiad (SOF) Class 9: Questions 445 - 449 of 929

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Question number: 445

» Triangles and Circles

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MCQ▾

Question

In an isosceles triangle ABC, with , the bisectors of and intersect each other at O. join A to O, then________

 Given the isosceles triangle ABC with AB=AC

Given the Isosceles Triangle ABC with AB = AC

Given the isosceles triangle ABC, with AB = AC, the bisectors of B and C intersect each other at O

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 446

» Triangles and Circles

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MCQ▾

Question

In the adjoining figure, , then is ________

Given the triangle PQR and ratio QS: SR equals 3: 2

Given the Triangle PQR and Ratio QS: SR Equals 3: 2

Given the triangle PQR and ratio QS: SR equals 3: 2 and find the ratio Area of triangle PQR and PSR

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 447

» Triangles and Circles

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MCQ▾

Question

The locus of a point equidistant from the three sides of a triangle is ________

Choices

Choice (4) Response

a.

Orthocenter

b.

Incenter

c.

Centroid

d.

Circumcenter

Question number: 448

» Coordinate Geometry

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MCQ▾

Question

The distance between the points P (-4, -3) and Q (5,6) is calculated as

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 449

» Triangles and Circles

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MCQ▾

Question

The and are right angles. If , and , then the length of XZ is ________

Given the WXY and XZY are right angles

Given the WXY and XZY Are Right Angles

Given the WXY and XZY are right angles, if WZ is 7 cm, YZ is 17 cm and WX is 19 cm, then Find the length of XZ

Choices

Choice (4) Response

a.

b.

c.

d.