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प्रश्न
Fill in the blanks:
An arc is a __________ when its ends are the ends of a diameter.
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उत्तर
An arc is a semi-circle when its ends are the ends of a diameter.
संबंधित प्रश्न
Write True or False. Give reason for your answer.
A circle has only finite number of equal chords.
Write True or False. Give reason for your answer.
Sector is the region between the chord and its corresponding arc.
In the fig. a circle is inscribed in a quadrilateral ABCD in which ∠B = 90° if AD = 23cm,
AB = 29cm and DS = 5cm, find the radius 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.
ture or false v
The degree measure of a semi-circle is 180°.
Length of a chord of a circle is 24 cm. If distance of the chord from the centre is 5 cm, then the radius of that circle is ______.
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.
In the figure, a circle with center P touches the semicircle at points Q and C having center O. If diameter AB = 10, AC = 6, then find the radius x of the smaller circle.
A line through the point of contact and passing through centre of the circle is known as ______
Let s denote the semi-perimeter of a triangle ABC in which BC = a, CA = b, AB = c. If a circle touches the sides BC, CA, AB at D, E, F, respectively, prove that BD = s – b.
