Advertisements
Advertisements
प्रश्न
Fill in the blank:
An arc is a ................ when its ends are the ends of a diameter.
Advertisements
उत्तर
Semi-circle
APPEARS IN
संबंधित प्रश्न
In Fig. 2, AB is the diameter of a circle with centre O and AT is a tangent. If ∠AOQ = 58°, find ∠ATQ.

PA and PB are tangents from P to the circle with centre O. At point M, a tangent is drawn cutting PA at K and PB at N. Prove that KN = AK + BN.
ABCD is a quadrilateral such that ∠D = 90°. A circle (O, r) touches the sides AB, BC, CD and DA at P,Q,R and If BC = 38 cm, CD = 25 cm and BP = 27 cm, find r.
Draw different pairs of circles. How many points does each pair have in common? What is the maximum number of common points?
State, if the following statement is true or false:
The longest chord of a circle is its diameter.
State, if the following statement is true or false:
The diameters of a circle always pass through the same point in the circle.
Twice the radius is ________________
Find the diameter of the circle
Radius = 6 cm
AD is a diameter of a circle and AB is a chord. If AD = 34 cm, AB = 30 cm, the distance of AB from the centre of the circle is ______.
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.
