# IMO Level 1- Mathematics Olympiad (SOF) Class 9: Questions 353 - 356 of 929

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## Question number: 353

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### Question

In the figure, the value of x if , is ________ Given the PQ, RS and TU Are Parallel Lines Given the PQ, RS and TU are parallel lines, then find the value of x

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Choice (4) Response

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## Question number: 354

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### Question

Triangle PAB is formed by three tangents to circle with center O and, then angle AOB equals ________ Given the Triangle PAB is Formed by Three Tangents to Circle Given Triangle PAB is formed by three tangents to circle with center O then find the angle AOC equals value

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Choice (4) Response

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## Question number: 355

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### Question

A wooden article was made by scooping out a hemisphere from each end of a solid cylinder. If the height of the cylinder is 20 cm, and its base is of radius 7.5 cm, find the total surface area of the article. Image Shows the Wooden Article A wooden article was made by scooping out a hemisphere from each end of a solid cylinder find the total surface area of the article

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## Question number: 356

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MCQ▾

### Question

A, B, C and D are four points on a circle. AC and BD intersect at a point E such that and, then angle is ________ Given the a, B, C and D Are Four Points on a Circle A, B, C and D are four points on a circle. AC and BD intersect at a point E such that angle BEC = 130 and ECD is 20 then find angle BAC

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Choice (4) Response

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