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- 1. Fill in the Blank
A circle Passing through all three vertices of a triangle is called _________ of the triangle
- 2. Multiple Choice
Chords at the same distance are of _______ length
Different
Twice
Same
Thrice
- 3. Multiple Choice
The longest chord of a circle is called ______
Diameter
Long chord
Radius
Tangent
- 4. Multiple Choice
If AB and CD are chords of a circle with center O and the values are given in the figure. What is the length of CD?
2 cm
5 cm
4 cm
6 cm
- 5. Multiple Choice
The circum center of the right angled triangle lies at the _________ of the triangle.
Midpoint of the base of the triangle
Endpoint of the hypotenuse of the triangle
Midpoint of the hypotenuse of the triangle
Midpoint of the altitude of the triangle
- 6. Multiple Choice
In the figure , let AB be the diameter of the circle. CD and EF be the equal chords. If < COA= 40° , what is <AOF?
40°
20°
50°
80°
- 7. Fill in the Blank
The perpendicular from the centre of a circle to a chord _________ the chord
- 8. Multiple Choice
What is the angle around a point?
180°
90°
270°
360°
- 9. Multiple Choice
In the figure, If O is the centre of a circle and OE is the perpendicular drawn to the chord AB and if AB= 6 cm, then what is the value of BE?
3 cm
4 cm
2 cm
5 cm
- 10. Multiple Choice
Which of the following is Pythagoras theorem
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