Triangles and Circles (IMO- Mathematics Olympiad Class 9): Questions 61 - 64 of 79

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Question number: 61

» Triangles and Circles

MCQ▾

Question

In ABC B=45°,C=65° , and the bisector of BAC meets BC at P. then the ascending order of sides is ________

The triangle ABC angle B and C are respectively 45 and 65

The Triangle ABC Angle B and C Are Respectively 45 and 65

Given the triangle ABC angle B and C are respectively 45 and 65 and the bisector of BAC meets BC at P find the ascending order of sides

Choices

Choice (4) Response

a.

AC,BC,AB

b.

AC,AB,BC

c.

BC,AC,AB

d.

AB,AC,BC

Question number: 62

» Triangles and Circles

MCQ▾

Question

The area of a quadrilateral, one of whose diagonals is 30 cm long and the perpendiculars from the other two vertices are 19 cm and 11 cm respectively is ________

Choices

Choice (4) Response

a.

400cm2

b.

450cm2

c.

500cm2

d.

425cm2

Question number: 63

» Triangles and Circles

MCQ▾

Question

DEF is an equilateral triangle of side 12cm . S, T and U are midpoints of DE, EF and DF respectively. The area of triangle STU is (incm2) ________

Given the DEF is an equilateral triangle of side 12 cm

Given the DEF Is an Equilateral Triangle of Side 12 Cm

Given the DEF is an equilateral triangle of side 12 cm. S, T and U are midpoints of DE, EF and DF respectively find the area of triangle STU

Choices

Choice (4) Response

a.

33

b.

34

c.

93

d.

94

Question number: 64

» Triangles and Circles

MCQ▾

Question

The sides BC, CA and AB of ABC are produces in order to form exterior angles ACD,BAE and CBF , then ACD+BAE+CBF is ________

 Given the sides BC, CA and AB of triangle ABC

Given the Sides BC, CA and AB of Triangle ABC

Given the sides BC, CA and AB of triangle ABC are produces in order to form exterior angles ACD, BAE and CBF and find the sum of ACD, BAE and CBF

Choices

Choice (4) Response

a.

270°

b.

540°

c.

360°

d.

180°

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