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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
Fill in the blanks:
A circle divides the plane, on which it lies, in __________ parts.
In the given figure, ABC is a right triangle right-angled at B such that BC = 6 cm and AB = 8 cm. Find the radius of its incircle.
The diameter of a circle is 12.6 cm. State, the length of its radius.
State, if the following statement is true or false:
The longest chord of a circle is its diameter.
Find the missing values in the following table for the circles with radius (r), diameter (d) and Circumference (C).
| radius (r) | diameter (d) | Circumference (C) |
| 15 cm |
Find the missing values in the following table for the circles with radius (r), diameter (d) and Circumference (C).
| radius (r) | diameter (d) | Circumference (C) |
| 1760 cm |
Given: A circle inscribed in a right angled ΔABC. If ∠ACB = 90° and the radius of the circle is r.
To prove: 2r = a + b – c
If a number of circles touch a given line segment PQ at a point A, then their centres lie on the perpendicular bisector of PQ.
If AOB is a diameter of a circle and C is a point on the circle, then AC2 + BC2 = AB2.
In the following figure, O is the centre of the circle, BD = OD and CD ⊥ AB. Find ∠CAB.
