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Math 10 Chapter 7 - Part B
1.
Bisectors of one internal angle and other two opposite exterior angles are ____________.
a) Perpendicular
b) Concurrent
c) Parallel
d) Congruent
2.
Radius and tangent of a circle are ______________ to each other.
a) Congruent
b) Parallel
c) Perpendicular
d) Concurrent
3.
Circum-radius of a circle is denoted by ____________.
a) R
2
b) K
c) r
d) R
4.
In-radius of a circle is denoted by ____________.
a) r
b) R
c) R
2
d) r
2
5.
For the circum circle, ____________ of sides of a triangle are drawn.
a) Parallel Bisectors
b) Right Bisectors
c) Perpendicular Bisectors
d) 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 triangle
a) true
b) False
7.
The angle inscribed in a semi circle is always obtuse angle.
a) False
b) True
8.
Angle bisectors of a triangle are always concurrent.
a) True
b) False
9.
In-circle of a triangle touches three vertices
a) False
b) True
10.
The line segment joining mid point of a side to opposite vertex is called altitude
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a) True
b) False
11.
The right bisectors of sides of a triangle intersect in ratio of 2:1.
a) False
b) True
12.
The median is the right bisector of side of the triangle.
a) False
b) True
13.
Right bisectors of the sides of a triangle are not concurrent.
a) False
b) True
14.
Only one tangent can be drawn from a point outside the circle.
a) True
b) False
15.
The bisectors of one interior and two exterior angles of a triangle are not concurrent.
a) False
b) True
16.
The center of inscribed circle of a triangle is equidistant from its vertices
a) False
b) True
17.
The centre of circum circle of a triangle is equidistant from its vertices.
a) False
b) True
18.
An in circle of a triangle does not touch the sides of a triangle internally.
a) False
b) True
19.
Direct common tangent touches the two circles in such a way that both circles are on one side of the tangent
a) True
b) False
20.
A line bisecting an angle is called altitude.
a) True
b) False
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