IMO- Mathematics Olympiad (SOF) Class 10: Questions 444 - 447 of 958
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Question number: 444
» Triangle, Circle & Constructions
Question
Given below are the steps of construction of a pair of tangents to a circle of radius 4 cm from a point on the concentric circle of radius 6 cm. find which of the following step is wrong?
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Step I: Take a point O on the plane paper and draw a circle of radius . Also, draw a concentric circle of radius .
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Step II: Find the mid-point A of OB and draw a circle of radius . Suppose this circle intersects the circle of radius 4 cm at P and Q.
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Step III: Join BP and BQ to get the desired tangents.
Given the Pair of Tangents to a Circle of Radius 4 Cm
Given the pair of tangents to a circle of radius 4 cm from a point on the concentric circle of radius 6 cm and find the which of the following step is wrong
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | (2) and (3) |
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| b. | (1) and (2) |
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| c. | Only (2) |
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| d. | Only (1) |
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Question number: 445
Question
Points are joined to form which shape?
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | Pentagon |
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| b. | Snip single corner Rectangle |
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| c. | Chord |
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| d. | Snip round corner Rectangle |
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Question number: 446
Question
Find the area of the quadrilateral, the coordinates of whose angular points taken in order are.
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 22 |
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| b. | 25 |
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| c. | 28 |
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| d. | 24 |
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Question number: 447
Question
The values of t, if the area of the pentagon ABCDE be sq. units where are ________
Choices
| Choice (4) | Response | |
|---|---|---|
| a. | 1,99 |
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| b. | -1,89 |
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| c. | 1,100 |
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| d. | -1,100 |
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