Advertisements
Advertisements
प्रश्न
Write True or False. Give reason for your answer.
Sector is the region between the chord and its corresponding arc.
पर्याय
True
False
Advertisements
उत्तर
False.
Sector is the region between an arc and two radii joining the centre to the end points of the arc. For example, in the given figure, OAB is the sector of the circle.
संबंधित प्रश्न
Prove that the line segment joining the points of contact of two parallel tangents of a circle, passes through its centre.
In the given figure, BC is a tangent to the circle with centre O. OE bisects AP. Prove that ΔAEO~Δ ABC.
In the given figure, a ∆ABC is drawn to circumscribe a circle of radius 4 cm such that the segments BD and DC are of lengths 8 cm and 6 cm respectively. Find the lengths of sides AB and AC, when area of ∆ABC is 84 cm2.
Use the figure given below to fill in the blank:
AB is a ______ of the circle.
Find the length of the chord AC where AB and CD are the two diameters perpendicular to each other of a circle with radius `4sqrt(2)` cm and also find ∠OAC and ∠OCA
Twice the radius is ________________
In a circle with centre P, chord AB is parallel to a tangent and intersects the radius drawn from the point of contact to its midpoint. If AB = `16sqrt(3)`, then find the radius of the circle.
In the following figure, ∠AOB = 90º and ∠ABC = 30º, then ∠CAO is equal to ______.
From the figure, identify the centre of the circle.
AB is a chord of a circle with centre O. AOC is diameter of circle, AT is a tangent at A.
Write answers of the following questions:
- Draw the figure using the given information.
- Find the measures of ∠CAT and ∠ABC with reasons.
- Whether ∠CAT and ∠ABC are congruent? Justify your answer.
