Understanding Elementary Shapes (IMO- Mathematics Olympiad Class 6): Questions 27 - 29 of 82

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Question number: 27

» Understanding Elementary Shapes

MCQ▾

Question

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

Arc c Arc c: Semicircle through F and GArc d Arc d: Semicircle through H and IArc e Arc e: Semicircle through J and KLine f Line f: Line through A, BLine f Line f: Line through A, BLine g Line g: Line through B, CLine g Line g: Line through B, CLine h Line h: Line through B, DLine h Line h: Line through B, DLine i Line i: Line through B, ELine i Line i: Line through B, EPoint 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) 27? text1 = “27? “? text2 = “? “12? text3 = “12? “

Image of Four Lines Making a Right-Angled Triangle ABC

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

Choices

Choice (4) Response

a.

540

b.

510

c.

550

d.

520

Question number: 28

» Understanding Elementary Shapes

MCQ▾

Question

A set of points which extend infinitely in both directions is called________.

Choices

Choice (4) Response

a.

Line segment

b.

Plane

c.

Line

d.

Point

Question number: 29

» Understanding Elementary Shapes

MCQ▾

Question

Sum of all the four interior angles of a quadrilateral is equal to ________.

Choices

Choice (4) Response

a.

1800

b.

900

c.

1200

d.

3600

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