Understanding Elementary Shapes (IMO- Mathematics Olympiad Class 6): Questions 50 - 52 of 82

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Question number: 50

» Understanding Elementary Shapes

MCQ▾

Question

Find the value of x and hence, AOG,AOB in the figure given where BOG is a straight line.

Arc c Arc c: Semicircle through C and EArc d Arc d: Semicircle through F and KLine f Line f: Line through O, ALine g Line g: Line through O, BLine g Line g: Line through O, BRay i Ray i: Ray through O, BPoint O O = (9, 2) Point O O = (9, 2) Point O O = (9, 2) Point A A = (8, 5) Point A A = (8, 5) Point A A = (8, 5) Point B B = (5, 2) Point B B = (5, 2) Point B B = (5, 2) Point G Point G: Point on gPoint G Point G: Point on gPoint G Point G: Point on g (2x 4)? text1 = ” (2x 4)? “ (3x-9)? text1_1 = ” (3x-9)? “

a Geometric Figure Made by a Straight Line and a Crossed Line

Showing a geometric figure made by a straight line and a crossed line

Choices

Choice (4) Response

a.

18, 450, 540

b.

12, 460, 350

c.

14, 420, 480

d.

19, 420, 480

Question number: 51

» Understanding Elementary Shapes

MCQ▾

Question

In a right angled triangle if an angle measures 350 , then the measure of other angle is

Choices

Choice (4) Response

a.

300

b.

650

c.

550

d.

450

Question number: 52

» Understanding Elementary Shapes

MCQ▾

Question

In an isosceles ABC , the bisectors of B and C meet at D. If BAC=900 , then BDC is equal to

Choices

Choice (4) Response

a.

1350

b.

1250

c.

1450

d.

450

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