IMO Level 1- Mathematics Olympiad (SOF) Class 10: Questions 822 - 823 of 968

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Question number: 822

» Area, Surface Area & Volume

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Question

The inner circumference of a circular track is The track is wide from everywhere. The quantity of wire required to surround the path completely is ________.

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 823

» Triangle, Circle & Constructions

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Two circles of radii and intersect each other and length of common chord is The distance between their centres is________.

Circle c Circle c: Circle through B_1 with center X Circle d Circle d: Circle through D with center Y Segment f Segment f: Segment [X, Y] Segment g Segment g: Segment [A, B] Segment h Segment h: Segment [X, A] Segment i Segment i: Segment [X, B] Segment j Segment j: Segment [A, Y] Segment k Segment k: Segment [Y, B] Point X X = (6.24,0.7) Point X X = (6.24,0.7) Point X X = (6.24,0.7) Point Y Y = (8.32,0.7) Point Y Y = (8.32,0.7) Point Y Y = (8.32,0.7) Point A Point A: Intersection point of c, d Point A Point A: Intersection point of c, d Point A Point A: Intersection point of c, d Point B Point B: Intersection point of c, d Point B Point B: Intersection point of c, d Point B Point B: Intersection point of c, d Point P Point P: Intersection point of f, g Point P Point P: Intersection point of f, g Point P Point P: Intersection point of f, g

Two Circles Intersect Each Other

Two circles of radii 10cm and 8 cm intersect each other and length of common chord is 12 cm

Choices

Choice (4) Response

a.

b.

c.

d.