Advertisements
Advertisements
प्रश्न
Draw circle with diameter: 8.4 cm
In above case, measure the length of the radius of the circle drawn.
Advertisements
उत्तर
AB is the diameter of circle
i.e. AB = 8.4 cm
and OA is the radius of a circle

`= 1/2 "of diameter" = 8.4/2 = 4.2` cm
i.e., OA = OB = 4.2 cm.
APPEARS IN
संबंधित प्रश्न
From a point P, 10 cm away from the centre of a circle, a tangent PT of length 8 cm is drawn. Find the radius of the circle.
Two tangent segments PA and PB are drawn to a circle with center O such that ∠APB = 120°. Prove that OP = 2AP
In Fig. 4, an isosceles triangle ABC, with AB = AC, circumscribes a circle. Prove that the point of contact P bisects the base BC.

Radius of a circle with centre O is 4 cm. If l(OP) = 4.2 cm, say where point P will lie.
Find the length of the chord of a circle in the following when:
Radius is 1. 7cm and the distance from the centre is 1.5 cm
Use the figure given below to fill in the blank:
________ is a radius of the circle.

If AB is a chord of a circle with centre O, AOC is a diameter and AT is the tangent at A as shown in figure. Prove that ∠BAT = ∠ACB

In the following figure, if ∠ABC = 20º, then ∠AOC is equal to ______.

If AOB is a diameter of a circle and C is a point on the circle, then AC2 + BC2 = AB2.
In the following figure, if AOB is a diameter and ∠ADC = 120°, then ∠CAB = 30°.

