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प्रश्न
Twice the radius is ________________
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उत्तर
Twice the radius is diameter
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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 point P is 13 cm from the centre of the circle. The length of the tangent drawn from P to the circle is 12cm. Find the radius of the circle.
Write True or False. Give reason for your answer.
Line segment joining the centre to any point on the circle is a radius of the circle.
In the given figure, O is the centre of a circle. PT and PQ are tangents to the circle from an external point P. If ∠TPQ = 70°, find ∠TRQ.
The point of concurrence of all angle bisectors of a triangle is called the ______.
Find the area of a circle of radius 7 cm.
ABC is a right triangle in which ∠B = 90°. If AB = 8 cm and BC = 6 cm, find the diameter of the circle inscribed in the triangle.
Use the figure given below to fill in the blank:
Diameter = 2 x ________
Draw a circle of any radius. Show one diameter, one radius and one chord on that circle.
Draw two acute angles and one obtuse angle without using a protractor. Estimate the measures of the angles. Measure them with the help of a protractor and see how much accurate is your estimate.
