Advertisements
Advertisements
प्रश्न
The point of concurrence of all angle bisectors of a triangle is called the ______.
पर्याय
Centroid
Circumcentre
Incentre
Orthocentre
Advertisements
उत्तर
The point of concurrence of all angle bisectors of a triangle is called the incentre.
APPEARS IN
संबंधित प्रश्न
Prove that the tangents at the extremities of any chord make equal angles with the chord.
In fig., circles C(O, r) and C(O’, r/2) touch internally at a point A and AB is a chord of the circle C (O, r) intersecting C(O’, r/2) at C, Prove that AC = CB.
Fill in the blanks:
The longest chord of a circle is a __________ of the circle.
In the given figure, AB is a chord of length 16 cm of a circle of radius 10 cm. The tangents at A and B intersect at a point P. Find the length of PA.

In figure OQ : PQ = 3 : 4 and perimeter of ΔPDQ = 60cm. determine PQ, QR and OP.
ture or false v
The degree measure of a semi-circle is 180°.
Prove that two different circles cannot intersect each other at more than two points.
Find the length of tangent drawn to a circle with radius 8 cm form a point 17 cm away from the center of the circle
In the given figure, a circle inscribed in a triangle ABC, touches the sides AB, BC and AC at points D, E and F Respectively. If AB= 12cm, BC=8cm and AC = 10cm, find the length of AD, BE and CF.

In the given figure, a circle touches all the four sides of a quadrilateral ABCD whose three sides are AB = 6cm, BC=7cm and CD=4 cm. Find AD.

In the given figure, O is the centre of the circle and TP is the tangent to the circle from an external point T. If ∠PBT = 30°, prove that BA:AT = 2:1.

In the given figure, BDC is a tangent to the given circle at point D such that BD = 30 cm and CD = 7 cm. The other tangents BE and CF are drawn respectively from B and C to the circle and meet when produced at A making BAC a right angle triangle. Calculate (i) AF

The circle which passes through all the vertices of a triangle is called ______.
AB and CD are two equal chords of a drde intersecting at Pas shown in fig. P is joined to O , the centre of the cirde. Prove that OP bisects ∠ CPB.

Find the area of a circle of radius 7 cm.
In the given figure, seg MN is a chord of a circle with centre O. MN = 25, L is a point on chord MN such that ML = 9 and d(O,L) = 5. Find the radius of the circle.

Find the radius of the circle
Diameter = 24 cm
If ABC is an equilateral triangle inscribed in a circle and P be any point on the minor arc BC which does not coincide with B or C, prove that PA is angle bisector of ∠BPC.
From the figure, identify three radii.
From the figure, identify a point in the exterior.

