Advertisements
Advertisements
प्रश्न
The point of concurrence of all angle bisectors of a triangle is called the ______.
विकल्प
Centroid
Circumcentre
Incentre
Orthocentre
उत्तर
The point of concurrence of all angle bisectors of a triangle is called the incentre.
APPEARS IN
संबंधित प्रश्न
An equilateral triangle ABC is inscribed in a circle with centre O. The measures of ∠BOCis
Use the figure given below to fill in the blank:
EF is a ______ of the circle.
State, if the following statement is true or false:
The diameters of a circle always pass through the same point in the circle.
A chord is at a distance of 15 cm from the centre of the circle of radius 25 cm. The length of the chord is
Find the missing values in the following table for the circles with radius (r), diameter (d) and Circumference (C).
| radius (r) | diameter (d) | Circumference (C) |
| 15 cm |
From a point P which is at a distance of 13 cm from the centre O of a circle of radius 5 cm, the pair of tangents PQ and PR to the circle are drawn. Then the area of the quadrilateral PQOR is ______
AD is a diameter of a circle and AB is a chord. If AD = 34 cm, AB = 30 cm, the distance of AB from the centre of the circle is ______.
O is the circumcentre of the triangle ABC and D is the mid-point of the base BC. Prove that ∠BOD = ∠A.
The circumcentre of the triangle ABC is O. Prove that ∠OBC + ∠BAC = 90º.
In the following figure, O is the centre of the circle, BD = OD and CD ⊥ AB. Find ∠CAB.
