IMO Level 1- Mathematics Olympiad (SOF) Class 3: Questions 445 - 445 of 582

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Question number: 445

» Geometry

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Question

Which of these have exactly 5 corners?

Choices

Choice (4)Response

a.

Circle cCircle c: Circle through B with center ACircle cCircle c: Circle through B with center A

Image Shows the Some Geometry Shape Choice-A

b.

Quadrilateral poly1Quadrilateral poly1: Polygon C, D, E, FSegment c_1Segment c_1: Segment [C, D] of Quadrilateral poly1Segment d_1Segment d_1: Segment [D, E] of Quadrilateral poly1Segment e_1Segment e_1: Segment [E, F] of Quadrilateral poly1Segment f_1Segment f_1: Segment [F, C] of Quadrilateral poly1

Image Shows the Some Geometry Shape Choice-B

c.

Pentagon poly1Pentagon poly1: Polygon A, B, C, D, ESegment aSegment a: Segment [A, B] of Pentagon poly1Segment bSegment b: Segment [B, C] of Pentagon poly1Segment cSegment c: Segment [C, D] of Pentagon poly1Segment dSegment d: Segment [D, E] of Pentagon poly1Segment eSegment e: Segment [E, A] of Pentagon poly1

Image Shows the Some Geometry Shape Choice-C

d.

Polygon poly1Polygon poly1: Polygon [A, B, 6] Polygon poly1Polygon poly1: Polygon [A, B, 6] Segment fSegment f: Segment [A, B] of Polygon poly1Segment gSegment g: Segment [B, C] of Polygon poly1Segment hSegment h: Segment [C, D] of Polygon poly1Segment iSegment i: Segment [D, E] of Polygon poly1Segment jSegment j: Segment [E, F] of Polygon poly1Segment kSegment k: Segment [F, A] of Polygon poly1

Image Shows the Some Geometry Shape Choice-D

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