Question
In a triangle, PT is tangent and PAB is secant which cuts on a circle at points A &
In a triangle, PT is tangent and PAB is secant which cuts on a circle at points A &
B. If PT= 12 cm, PA= 8 cm then find the legth of AB.
PT 2 = PA `xx` PB 122 = 8(8 + AB) 144 = 8(8 + AB) 18 = 8 + AB AB = 18 - 8 = 10 cmMore Circle Questions
- In a circle of radius 10 cm, a chord has length 16 cm. Find the distance of the chord from the centre of the circle.
- A semicircle has a radius of 7 cm. What is the perimeter of the semicircle?
- From an external point P, a tangent PT is drawn to a circle of radius 9 cm. If OP = 15 cm, then PT is:
- In a circle, the length of a chord AB is 48 cm & radius is 25 cm. Find the distance between centre and chord.
- Find the angle subtended at the center by an arc of a sector whose area is 462 cm² and radius is 21 cm. (Use π = 22/7)
- If the angle of a sector of a circle is 300 & its radius is 7cm , find the area of this sector?
- Find the area of the sector of a circle with radius 14 cm and central angle 90°.
- A circle has radius r. A square is inscribed inside it. Area of square is 242. Find radius.
- The circumference of the circle is 154 cm while the length of the rectangle is 15 cm more than the radius of the circle. Find the perimeter of the rectangl...
- If the lengths of the diameters of two concentric circles are 16cm and 18cm respectively, then what will be the area of the region between them?
Hey! Ask a query
Please enter email id
The email must be a valid email address.
Please enter Mobile Number
Please enter valid Mobile Number
Please enter your Doubt
Think You're Ready for RBI Grade B?
RBI Grade B 2026 Phase 1 Memory Based Paper
- 200 Questions with Detailed Solutions
- Section-wise Coverage (GA, English, Quant & Reasoning)