Advertisements
Advertisements
Question
Draw circle with diameter: 6 cm
In above case, measure the length of the radius of the circle drawn.
Advertisements
Solution
AB is the diameter of circle
i.e. AB = 6 cm
and OA is the radius of circle
`= 1/2 "of diameter" = 6/2 = 3` cm
i.e., OA = OB = 3 cm.
APPEARS IN
RELATED QUESTIONS
ABC is a right triangle, right angled at B. A circle is inscribed in it. The lengths of the two sides containing the right angle are 6 cm and 8 cm. Find the radius of the incircle.
In fig common tangents PQ and RS to two circles intersect at A. Prove that PQ = RS.
In the given figure, an isosceles triangle ABC, with AB = AC, circumscribes a circle. Prove that point of contact P bisects the base BC.
In the given figure, O is the centre of the circle. If ∠BOD = 160°, find the values of x and y.
The center of a circle is at point O and its radius is 8 cm. State the position of a point P (point P may lie inside the circle, on the circumference of the circle, or outside the circle), when:
(a) OP = 10.6 cm
(b) OP = 6.8 cm
(c) OP = 8 cm
A chord is at a distance of 15 cm from the centre of the circle of radius 25 cm. The length of the chord is
Circles with centers A, B and C touch each other externally. If AB = 36, BC = 32, CA = 30, then find the radii of each circle.
In the given figure, AB is the diameter of the circle. Find the value of ∠ACD.
If a line segment joining mid-points of two chords of a circle passes through the centre of the circle, prove that the two chords are parallel.
A quadrilateral ABCD is inscribed in a circle such that AB is a diameter and ∠ADC = 130º. Find ∠BAC.
