IMO Level 1- Mathematics Olympiad (SOF) Class 6: Questions 466 - 467 of 1059

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Question number: 466

» Understanding Elementary Shapes

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MCQ▾

Question

In the figure, not drawn to scale, ABC is a right-angled triangle. Find

Arc c Arc c: Semicircle through F and G Arc d Arc d: Semicircle through H and I Arc e Arc e: Semicircle through J and K Line f Line f: Line through A, B Line f Line f: Line through A, B Line g Line g: Line through B, C Line g Line g: Line through B, C Line h Line h: Line through B, D Line h Line h: Line through B, D Line i Line i: Line through B, E Line i Line i: Line through B, E Point A A = (5.88,5.44) Point A A = (5.88,5.44) Point A A = (5.88,5.44) Point B B = (5.86,2.04) Point B B = (5.86,2.04) Point B B = (5.86,2.04) Point C C = (9.74,2.06) Point C C = (9.74,2.06) Point C C = (9.74,2.06) Point D D = (9.26,3.92) Point D D = (9.26,3.92) Point D D = (9.26,3.92) Point E E = (7.7,5.2) Point E E = (7.7,5.2) Point E E = (7.7,5.2) 34? text1 = “34? “ ? text2 = “? “ 18? text3 = “18? “

Image of Four Lines Making a Right-Angled Triangle

Showing an image of four lines making a right-angled triangle ABC

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Choice (4) Response

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Question number: 467

» Understanding Elementary Shapes

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MCQ▾

Question

The measure of in the following figure is

Arc c Arc c: Semicircle through C and H Ray f Ray f: Ray through O, A Ray g Ray g: Ray through O, B Ray k Ray k: Ray through O, I Point O O = (5.28,2) Point O O = (5.28,2) Point O O = (5.28,2) Point A A = (9.32,2) Point A A = (9.32,2) Point A A = (9.32,2) Point B B = (4.02,4.82) Point B B = (4.02,4.82) Point B B = (4.02,4.82) Point I I = (1.52,2) Point I I = (1.52,2) Point I I = (1.52,2) 116? text2 = “116? “

Image of Three Lines Making One Unknown Angle

Showing the image of three lines making two angles so find the angle BOI

Choices

Choice (4) Response

a.

b.

c.

d.