## Math 10 Chapter 7 - Part B

 1. Bisectors of one internal angle and other two opposite exterior angles are ____________.a) Perpendicular b) Concurrentc) Paralleld) Congruent
 2. Radius and tangent of a circle are ______________ to each other.a) Congruent b) Parallelc) Perpendiculard) Concurrent
 3. Circum-radius of a circle is denoted by ____________.a) R2 b) Kc) rd) R
 4. In-radius of a circle is denoted by ____________.a) r b) Rc) R2d) r2
 5. For the circum circle, ____________ of sides of a triangle are drawn.a) Parallel Bisectors b) Right Bisectorsc) Perpendicular Bisectorsd) Congruent Bisectors
 6. If sum of measure of two sides of a triangle is less than the measure of the third side, it is not possible to construct the trianglea) trueb) False
 7. The angle inscribed in a semi circle is always obtuse angle.a) Falseb) True
 8. Angle bisectors of a triangle are always concurrent.a) Trueb) False
 9. In-circle of a triangle touches three verticesa) Falseb) True
 10. The line segment joining mid point of a side to opposite vertex is called altitudea) Trueb) False
 11. The right bisectors of sides of a triangle intersect in ratio of 2:1.a) Falseb) True
 12. The median is the right bisector of side of the triangle.a) Falseb) True
 13. Right bisectors of the sides of a triangle are not concurrent.a) Falseb) True
 14. Only one tangent can be drawn from a point outside the circle.a) Trueb) False
 15. The bisectors of one interior and two exterior angles of a triangle are not concurrent.a) Falseb) True
 16. The center of inscribed circle of a triangle is equidistant from its verticesa) Falseb) True
 17. The centre of circum circle of a triangle is equidistant from its vertices.a) Falseb) True
 18. An in circle of a triangle does not touch the sides of a triangle internally.a) Falseb) True
 19. Direct common tangent touches the two circles in such a way that both circles are on one side of the tangenta) Trueb) False
 20. A line bisecting an angle is called altitude.a) Trueb) False

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