मराठी
महाराष्ट्र राज्य शिक्षण मंडळएस.एस.सी (इंग्रजी माध्यम) इयत्ता ९ वी

The point of concurrence of all angle bisectors of a triangle is called the ______.

Advertisements
Advertisements

प्रश्न

The point of concurrence of all angle bisectors of a triangle is called the ______.

पर्याय

  • Centroid

  • Circumcentre  

  • Incentre

  • Orthocentre

MCQ
रिकाम्या जागा भरा
Advertisements

उत्तर

The point of concurrence of all angle bisectors of a triangle is called the incentre.

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 6: Circle - Problem Set 6 [पृष्ठ ८६]

APPEARS IN

बालभारती Mathematics 2 [English] Standard 9 Maharashtra State Board
पाठ 6 Circle
Problem Set 6 | Q 1. (ii) | पृष्ठ ८६

संबंधित प्रश्‍न

In Fig. 1, QR is a common tangent to the given circles, touching externally at the point T. The tangent at T meets QR at P. If PT = 3.8 cm, then the length of QR (in cm) is :

(A) 3.8
(B) 7.6
(C) 5.7
(D) 1.9


A chord PQ of a circle of radius 10 cm substends an angle of 60° at the centre of circle. Find the area of major and minor segments of the circle.


In the fig. ABC is right triangle right angled at B such that BC = 6cm and AB = 8cm. Find the radius of its in circle.


In fig. there are two concentric circles with Centre O of radii 5cm and 3cm. From an
external point P, tangents PA and PB are drawn to these circles if AP = 12cm, find the
tangent length of BP.


If the area of a circle is equal to sum of the areas of two circles of diameters 10 cm and 24 cm, then the diameter of the larger circle (in cm) is:


A is a point at a distance 13 cm from the centre O of a circle of radius 5 cm. AP and AQ are the tangents to the circle at P and Q. If a tangent BC is drawn at a point R lying on the minor arc PQ to intersect AP at B and AQ at C, find the perimeter of the ∆ABC.


In the given figure, AB is a diameter of a circle with centre O and AT is a tangent. If \[\angle\] AOQ = 58º, find  \[\angle\] ATQ.


Radius of a circle with centre O is 4 cm. If l(OP) = 4.2 cm, say where point P will lie.


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. 


ABC is a triangle with AB = 10 cm, BC = 8 cm and AC = 6 cm (not drawn to scale). Three circles are drawn touching each other with the vertices as their centres. Find the radii of the three circles.


Use the figure given below to fill in the blank:

If PQ is 8 cm long, the length of RS = ________


In the table below, write the names of the points in the interior and exterior of the circle and those on the circle.

Diagram Points in the interior of
the circle
Points in the exterior of
the circle
Points on the
circle
     

Two circles of radii 5 cm and 3 cm intersect at two points and the distance between their centres is 4 cm. Find the length of the common chord


In the adjoining figure, seg DE is the chord of the circle with center C, seg CF ⊥ seg DE and DE = 16 cm, then find the length of DF?


Given: A circle inscribed in a right angled ΔABC. If ∠ACB = 90° and the radius of the circle is r.

To prove: 2r = a + b – c


If a chord AB subtends an angle of 60° at the centre of a circle, then angle between the tangents at A and B is also 60°.


In a right triangle ABC in which ∠B = 90°, a circle is drawn with AB as diameter intersecting the hypotenuse AC and P. Prove that the tangent to the circle at P bisects BC.


Two chords AB and AC of a circle subtends angles equal to 90º and 150º, respectively at the centre. Find ∠BAC, if AB and AC lie on the opposite sides of the centre.


Is every chord of a circle also a diameter?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×