IMO- Mathematics Olympiad Class 6: Questions 372 - 373 of 1049

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Question number: 372

» Understanding Elementary Shapes

MCQ▾

Question

In figure, the side BC of ABC is produced to E, where ACE=1400 . If CD bisects ACB and ABC=600 , find BDC and BAC respectively.

Triangle poly1 Triangle poly1: Polygon A, B, CArc d Arc d: Semicircle through F and GArc e Arc e: Semicircle through H and ISegment c Segment c: Segment [A, B] of Triangle poly1Segment a Segment a: Segment [B, C] of Triangle poly1Segment b Segment b: Segment [C, A] of Triangle poly1Segment f Segment f: Segment [C, D] Segment g Segment g: Segment [C, E] Point A A = (5, 5) Point A A = (5, 5) Point A A = (5, 5) Point B B = (3.26, 2) Point B B = (3.26, 2) Point B B = (3.26, 2) Point C C = (9.18, 2.02) Point C C = (9.18, 2.02) Point C C = (9.18, 2.02) Point D Point D: Point on cPoint D Point D: Point on cPoint D Point D: Point on cPoint E E = (11.84, 2.06) Point E E = (11.84, 2.06) Point E E = (11.84, 2.06) 140? text1 = “140? “60? text1_1 = “60? “

Image of a Triangle ABC Having a Bisector CD

Showing an image of a triangle ABC having a bisector CD then find angle BDC and BAC

Choices

Choice (4) Response

a.

600,1000

b.

1000,800

c.

800,800

d.

600,1100

Question number: 373

» Basic Geometrical Ideas

MCQ▾

Question

Which of the following statements is false?

Choices

Choice (4) Response

a.

Line AB is the same as line BA

b.

Ray AB is the same as ray BA

c.

AB perpendicular to CD is same as CD perpendicular to AB

d.

Line segment AB¯ is the same as the line segment BA¯

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