Understanding Elementary Shapes (IMO- Mathematics Olympiad (SOF) Class 6): Questions 62 - 64 of 82

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Question number: 62

» Understanding Elementary Shapes

MCQ▾

Question

In figure, and If find and

Quadrilateral poly1 Quadrilateral poly1: Polygon A, B, C, DArc e Arc e: Semicircle through E and FArc g Arc g: Semicircle through G and HSegment 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 [D, B] Point A A = (4, 4) Point A A = (4, 4) Point A A = (4, 4) Point B B = (7.86, 4) Point B B = (7.86, 4) Point B B = (7.86, 4) Point C C = (6.7, 1.38) Point C C = (6.7, 1.38) Point C C = (6.7, 1.38) Point D D = (2.72, 1.4) Point D D = (2.72, 1.4) Point D D = (2.72, 1.4) 15? text1 = “15? “15? text1_1 = “15? “

Image of a Parallelogram or Rhombus ABCD

Showing an image of a parallelogram or rhombus ABCD, so find ∠ABD and ∠DAB.

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 63

» Understanding Elementary Shapes

MCQ▾

Question

A quadrilateral is a rhombus but not a square if

Choices

Choice (4) Response

a.

The lengths of the diagonals are not equal

b.

Opposite angles are not equal

c.

Its diagonals are perpendicular

d.

Its diagonal do not bisect each other

Question number: 64

» Understanding Elementary Shapes

MCQ▾

Question

Measure of in the given figure is

Triangle poly1 Triangle poly1: Polygon A, B, CArc e Arc e: Semicircle through H and IArc h Arc h: Semicircle through J and KSegment 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 poly1Ray f Ray f: Ray through C, DPoint A A = (5.52, 4.84) Point A A = (5.52, 4.84) Point A A = (5.52, 4.84) Point B B = (1.52, 1.6) Point B B = (1.52, 1.6) Point B B = (1.52, 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) 40? text2 = “40? “130? text2_1 = “130? “

Image of a Triangle With Given Angles

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

Choices

Choice (4) Response

a.

900

b.

1100

c.

750

d.

800

f Page
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