Advertisements
Advertisements
प्रश्न
The circle which passes through all the vertices of a triangle is called ______.
पर्याय
Circumcircle
Incircle
Congruent circle
Concentric circle
Advertisements
उत्तर
The circle which passes through all the vertices of a triangle is called circumcircle.
APPEARS IN
संबंधित प्रश्न
Prove that there is one and only one tangent at any point on the circumference of a circle.
A point P is 26 cm away from O of circle and the length PT of the tangent drawn from P to the circle is 10 cm. Find the radius of the circle.
Prove that the intercept of a tangent between two parallel tangents to a circle subtends a right angle at center.
Two circles touch externally at a point P. from a point T on the tangent at P, tangents TQ and TR are drawn to the circles with points of contact Q and E respectively. Prove that TQ = TR.
In the given figure common tangents AB and CD to the two circles with centres O1 and O2 intersect at E. Prove that AB=CD
In the given figure, BC is a tangent to the circle with centre O. OE bisects AP. Prove that ΔAEO ∼ Δ ABC.
Find the length of the chord of a circle in the following when:
Radius is 1. 7cm and the distance from the centre is 1.5 cm
Draw circle with diameter: 8.4 cm
In above case, measure the length of the radius of the circle drawn.
A chord is 12 cm away from the centre of the circle of radius 15 cm. Find the length of the chord
The radius of a circle of diameter 24 cm 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 |
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) |
| 24 m |
Find the radius of the circle
Diameter = 76 cm
In the figure, segment PQ is the diameter of the circle with center O. The tangent to the tangent circle drawn from point C on it, intersects the tangents drawn from points P and Q at points A and B respectively, prove that ∠AOB = 90°
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
A point P is 10 cm from the center of a circle. The length of the tangent drawn from P to the circle is 8 cm. The radius of the circle is equal to ______
The tangent at a point C of a circle and a diameter AB when extended intersect at P. If ∠PCA = 110°, find ∠CBA see figure
Is every chord of a circle also a diameter?
The circumcentre of a triangle is the point which is ______.
