IMO Level 1- Mathematics Olympiad (SOF) Class 6: Questions 335 - 336 of 1059

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Question number: 335

» Understanding Elementary Shapes

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MCQ▾

Question

Find the value of ‘a’ in the figure, where AB and CD intersect at N.

Arc c Arc c: Semicircle through E and F Arc d Arc d: Semicircle through G and H Line f Line f: Line through A, B Line f Line f: Line through A, B Line g Line g: Line through C, D Line g Line g: Line through C, D Point A A = (3,5) Point A A = (3,5) Point A A = (3,5) Point B B = (10.24,1.76) Point B B = (10.24,1.76) Point B B = (10.24,1.76) Point C C = (2.76,1.78) Point C C = (2.76,1.78) Point C C = (2.76,1.78) Point D D = (10.22,5.08) Point D D = (10.22,5.08) Point D D = (10.22,5.08) (8a - 70)? text1 = ” (8a - 70)? “ (5a 20)? text2 = ” (5a 20)? “

Image of Two Intersecting Lines at Point N

Find the value of ‘a’ when two lines are intersecting at point N

Choices

Choice (4) Response

a.

30

b.

15

c.

25

d.

35

Question number: 336

» Understanding Elementary Shapes

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MCQ▾

Question

The measure of in the following figure is

Arc c Arc c: Semicircle through G and H Ray f Ray f: Ray through O, A Ray g Ray g: Ray through O, B Ray h Ray h: Ray through O, C Segment i Segment i: Segment [D, E] Segment j Segment j: Segment [E, F] Point O O = (5.28,2) Point O O = (5.28,2) Point O O = (5.28,2) Point A A = (5.3,5.26) Point A A = (5.3,5.26) Point A A = (5.3,5.26) Point B B = (1.84,4.28) Point B B = (1.84,4.28) Point B B = (1.84,4.28) Point C C = (9.54,2) Point C C = (9.54,2) Point C C = (9.54,2) 90? text1 = “90? “ 134? text2 = “134? “

Image of Three Lines Making Two Angles

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

Choices

Choice (4) Response

a.

b.

c.

d.