Understanding Elementary Shapes (IMO- Mathematics Olympiad Class 6): Questions 22 - 24 of 82

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Question number: 22

» Understanding Elementary Shapes

MCQ▾

Question

If two straight lines intersect, the measures of the vertically opposite angles are ________.

Choices

Choice (4) Response

a.

Equal

b.

Not equal

c.

Cannot be determined

d.

Right angle

Question number: 23

» Understanding Elementary Shapes

MCQ▾

Question

Measure of BCD in the given figure is

Triangle poly1 Triangle poly1: Polygon B, A, CArc d Arc d: Semicircle through F and GArc e Arc e: Semicircle through H and IArc h Arc h: Semicircle through J and KSegment c Segment c: Segment [B, A] of Triangle poly1Segment a Segment a: Segment [A, C] of Triangle poly1Segment b Segment b: Segment [C, B] of Triangle poly1Ray f Ray f: Ray through C, DSegment g Segment g: Segment [B, E] Point B B = (5.52, 4.84) Point B B = (5.52, 4.84) Point B B = (5.52, 4.84) Point A A = (3.8, 1.6) Point A A = (3.8, 1.6) Point A A = (3.8, 1.6) Point C C = (7.4, 1.6) Point C C = (7.4, 1.6) Point C C = (7.4, 1.6) Point D D = (9.58, 1.6) Point D D = (9.58, 1.6) Point D D = (9.58, 1.6) Point E Point E: Point on aPoint E Point E: Point on aPoint E Point E: Point on ax text1_1 = “x”25? text2 = “25? “25? text2_1 = “25? “

Image of a Triangle With Given Angles

Showing an image of a triangle with given angles, so find the angle BCD

Choices

Choice (4) Response

a.

1150

b.

1200

c.

1300

d.

1500

Question number: 24

» Understanding Elementary Shapes

MCQ▾

Question

If M is the point of KN and K is the midpoint of LM where K, L, M, N are collinear, then

Choices

Choice (4) Response

a.

KM = LN

b.

LK = NK

c.

LK = KN

d.

LM = KN

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