Understanding Elementary Shapes (IMO- Mathematics Olympiad Class 6): Questions 78 - 80 of 82

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Question number: 78

» Understanding Elementary Shapes

MCQ▾

Question

Find the value of x.

Line f Line f: Line through O, BLine f Line f: Line through O, BLine i Line i: Line through O, DLine i Line i: Line through O, DRay g Ray g: Ray through O, CRay h Ray h: Ray through O, ARay j Ray j: Ray through O, EPoint O O = (5.68, 3.02) Point O O = (5.68, 3.02) Point O O = (5.68, 3.02) Point B B = (8.66, 5.42) Point B B = (8.66, 5.42) Point B B = (8.66, 5.42) Point A A = (10, 3) Point A A = (10, 3) Point A A = (10, 3) Point D D = (2.96, 0.82) Point D D = (2.96, 0.82) Point D D = (2.96, 0.82) Point E E = (9.5, 1.66) Point E E = (9.5, 1.66) Point E E = (9.5, 1.66) Point C C = (5.68, 5.88) Point C C = (5.68, 5.88) Point C C = (5.68, 5.88) (x 20)? text1 = ” (x 20)? “ (2x-25)? text2 = ” (2x-25)? “ (5x)? text3 = ” (5x)? “ (2x-10)? text4 = ” (2x-10)? “ (3x-15)? text5 = ” (3x-15)? “

Image Made by Some Lines That Make Some Angles

Find the value of x by using given angles

Choices

Choice (4) Response
a.

540

b.

250

c.

390

d.

490

Question number: 79

» Understanding Elementary Shapes

MCQ▾

Question

A bike wheel makes twelve turns, then the number of complete angles through which it turns is ________.

Choices

Choice (4) Response
a.

15

b.

6

c.

24

d.

12

Question number: 80

» Understanding Elementary Shapes

MCQ▾

Question

Which of the following has five faces?

Choices

Choice (4) Response
a.
Ellipse c Ellipse c: Ellipse with foci C, D passing through ESegment f Segment f: Segment [A, B] Segment g Segment g: Segment [A, C]

Image of a Geometric Shape: Choice a

Find the geometric shape that has six faces

b.
Quadrilateral poly1 Quadrilateral poly1: Polygon A, B, C, DQuadrilateral poly2 Quadrilateral poly2: Polygon D, E, F, CQuadrilateral poly3 Quadrilateral poly3: Polygon D, A, G, ESegment a Segment a: Segment [A, B] of Quadrilateral poly1Segment b Segment b: Segment [B, C] of Quadrilateral poly1Segment c Segment c: Segment [C, D] of Quadrilateral poly1Segment d Segment d: Segment [D, A] of Quadrilateral poly1Segment d_1 Segment d_1: Segment [D, E] of Quadrilateral poly2Segment e Segment e: Segment [E, F] of Quadrilateral poly2Segment f Segment f: Segment [F, C] of Quadrilateral poly2Segment c_1 Segment c_1: Segment [C, D] of Quadrilateral poly2Segment d_2 Segment d_2: Segment [D, A] of Quadrilateral poly3Segment a_1 Segment a_1: Segment [A, G] of Quadrilateral poly3Segment g Segment g: Segment [G, E] of Quadrilateral poly3Segment e_1 Segment e_1: Segment [E, D] of Quadrilateral poly3

Image of a Geometric Shape: Choice B

Find the geometric shape that has six faces

c.
Ellipse c Ellipse c: Ellipse with foci A, C passing through EEllipse d Ellipse d: Ellipse with foci B, D passing through FSegment f Segment f: Segment [A, B] Segment g Segment g: Segment [C, D]

Image of a Geometric Shape: Choice C

Find the geometric shape that has six faces

d.
Quadrilateral poly1 Quadrilateral poly1: Polygon A, B, C, DSegment a Segment a: Segment [A, B] of Quadrilateral poly1Segment b Segment b: Segment [B, C] of Quadrilateral poly1Segment c Segment c: Segment [C, D] of Quadrilateral poly1Segment d Segment d: Segment [D, A] of Quadrilateral poly1Segment f Segment f: Segment [G, H]

Image of a Geometric Shape: Choice D

Find the geometric shape that has six faces

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