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प्रश्न
Write True or False. Give reasons for your answers.
If a circle is divided into three equal arcs, each is a major arc.
विकल्प
True
False
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उत्तर
False.
Consider three arcs of same length as AB, BC, and CA. It can be observed that for minor arc BDC, CAB is a major arc. Therefore, AB, BC, and CA are minor arcs of the circle.
संबंधित प्रश्न
n Fig. 2, PQ and PR are two tangents to a circle with centre O. If ∠QPR = 46°, then ∠QOR equals:
(A) 67°
(B) 134°
(C) 44°
(D) 46°
Prove that the line segment joining the points of contact of two parallel tangents of a circle, passes through its centre.
Find the length of a tangent drawn to a circle with radius 5cm, from a point 13 cm from the center of the circle.
Prove that two different circles cannot intersect each other at more than two points.
Two parallel chords are drawn in a circle of diameter 30.0 cm. The length of one chord is 24.0 cm and the distance between the two chords is 21.0 cm; find the length of another chord.
Use the figure given below to fill in the blank:
If PQ is 8 cm long, the length of RS = ________
Draw a circle of radius 6 cm. In the circle, draw a chord AB = 6 cm.
(i) If O is the center of the circle, join OA and OB.
(ii) Assign a special name to ∆AOB
(iii) Write the measure of angle AOB.
Draw a circle of any radius. Show one diameter, one radius and one chord on that circle.
Find the radius of the circle
Diameter = 30 cm
Assertion (A): If the circumference of a circle is 176 cm, then its radius is 28 cm.
Reason (R): Circumference = 2π × radius of a circle.
