Understanding Elementary Shapes (IMO- Mathematics Olympiad Class 6): Questions 45 - 47 of 82

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Question number: 45

» Understanding Elementary Shapes

MCQ▾

Question

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

Arc c Arc c: Semicircle through L and MArc d Arc d: Semicircle through N and OArc e Arc e: Semicircle through P and QLine 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 = (3.92, 5.18) Point E E = (3.92, 5.18) Point E E = (3.92, 5.18) ? text2 = “? “65? text3 = “65? “30? text1 = “30? “

Image of Three Lines Making a Right-Angled Triangle ABC

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

Choices

Choice (4) Response
a.

1550

b.

1400

c.

1350

d.

1200

Question number: 46

» Understanding Elementary Shapes

MCQ▾

Question

An angle which is less than 900 is called

Choices

Choice (4) Response
a.

Right angle

b.

Complete angle

c.

Acute angle

d.

Obtuse angle

Question number: 47

» Understanding Elementary Shapes

MCQ▾

Question

Which of the following statement is false?

Choices

Choice (4) Response
a.

A quadrilateral has two diagonals.

b.

Each diagonal of a quadrilateral divides it into two triangles.

c.

A quadrilateral can have almost three angles.

d.

Each side of a quadrilateral is less than the sum of the remaining three sides.

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