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Math 10 Chapter 7 - Part C
A tangent is always parallel to the radius of circle.
A circle touching three sides of a triangle is called in circle
The medians of a triangle intersect each other in the ration3:1.
A point P is 5cm from the centre of circle of radius 3cm, then length of tangent from p to circle is 4cm
The centre of escribed circle is called ex-centre
Circum radius of a circle is denoted by r.
Altitudes of a triangle always bisect the sides of triangle
In-radius of a circle is denoted by R.
Escribed radii (e-radii) of a circle are denoted by r
Two triangles are similar if their corresponding angles are congruent.
A triangle is possible to construct with the measurement of sides.
a) 4cm, 8cm, 4cm
b) 5cm, 9cm, 2cm
c) 4.5cm, 3.1cm, 5.5cm
d) 2.3cm, 4.8cm, 2.2cm
In-circle of a triangle
a) Touches its sides
b) Passes through its vertices
c) Touches two sides internally
d) None of above
Medians of a triangle are
a) Bisectors of sides through opposite vertex
b) All of the above mentioned
c) Intersect each other in ratio 2:1
Right bisectors of sides of a triangle
a) Passes through opposite vertex
b) Perpendicular to sides
c) Bisects the sides
d) a & b both
Angle bisectors of triangle are
a) Perpendicular to opposite side
c) Bisect Opposite side
d) Perpendicular to each other
In right angled Triangle ABC where m|B = 90
the point of concurrency of three altitudes is
a) Point B & C
b) Point C
c) Point A
d) Point B
In right angled isosceles triangle the other two angles of measure are
ABCD is a quadrilateral
a) None of above statements is true
b) ABCD is a triangle
c) Only one figure similar to it can be drawn
d) Infinite figures similar to it can be drawn
In given figure
a) OAP is an obtuse-angled triangle
b) All a,b,c are valid
c) OAP is an acute angle triangle
d) OAP is a right angled triangle
A circle whose radius is 5cm. A point P is 3.5cm from its centre. Then there will be
a) No tangent can be drawn from P to the circle
b) Only one tangent to circle
c) Infinite tangents can be drawn from p to the circle
d) Only two tangents from P to the circle
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