### Math 10 Chapter 6 - Part A 1. The set of all points of a plane, which are equidistant from a fixed point is called a _________. a) Chord b) Circle c) Straight Line d) Triangle 2. A diameter is a chord which passes through the ________ of the circle Click here to enter your answer! 3. Centre of a circle is not a __________ on the circle. Click here to enter your answer! 4. Central angle is an angle subtended by an arc at the __________ of the circle. a) Centre b) Diameter c) Circumfrence 5. The measure of an angle inscribed in a semi-circle is equal to ________. a) 90o b) 270o c) 45o d) 180o 6. A chord through the centre of the circle is called __________. a) Diameter b) Central chord c) Diameter or Central chord d) Insentric 7. Two circles are congruent if their __________ are congruent. a) Tangents b) Concentrics c) Radius 8. Circles which has only one point in common are called __________. a) Concentric circles b) Escribed circles c) In-circles d) Tangent circles 9. The centres of two tangent circles and their common point always lie on the same _____. a) Straight line b) Inclined line c) Perpendicular line d) Parallel line 10. Circles having a common centre are called ____________. a) Escribed circles b) In-circles c) Concentric circles d) Inscribed circles 11. Circumcentre is the point of intersection of ___________ sides of the triangle. a) Right Bisectors b) Bisectors c) Parallel Bisectors d) Acute Bisectors 12. The circle inscribed within a triangle so as to touch each of its sides is called the _______. a) Escribed circle b) In-circle c) Escribed circle d) Inscribed circle or in-circle 13. The circle which touches one side externally and the other two produced sides of a triangle internally is called ___________. a) c. Answers b and d are correct b) d. Circle c) b. Escribed circle d) a. in-circle 14. If a diameter of a circle is perpendicular to a chord, it _________the chord. Click here to enter your answer! 15. The perpendicular bisector of a chord of a circle passes through the ________ of the circle. a) Diameter b) Circumfrence c) Radius d) Centre 16. Two chords of a circle which are equidistant from the centre are _________. a) Perpendicular b) Congruent c) Acute d) Obtise 17. Two circles cannot intersect each other at more than ____________. a) One Points b) Three Points c) Two Points d) Four Points 18. Angle inscribed in a major arc is ____________. a) Parallel b) Obtuse c) Acute d) Perpendicular 19. The distance between a tangent line from centre of a circle is equal to ____ a) Radius b) Major arc c) Circufrence d) Diameter 20. The two tangents drawn to a circle from an outer point are equal in _________. a) Radius b) Diameter c) Length d) Circufrence

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