Скачать или смотреть Class 10 Ex 8A Q6 to Q10 CIRCLES Maths RS Aggarwal | CBSE |2023 NEW SYLLABUS Rajmith study

Book - RS Aggarwal
Book - NCERT
Class - 10
Chapter - Circles
exercise 8A
Q6 to Q10
   • Class 10 Ex 8A Q6 to Q10 CIRCLES Maths RS ...  
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Chapter - Circles
exercise 8A
Q11 to Q16
   • Class 10 Circle Ex 8A Q11 to Q16 Maths RS ...  

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CIRCLE A circle is a collection of all points in a plane which are at a constant distance from a fixed point. The constant distance is called the radius and the fixed point is called the centre of the circle.
SECANT A line which intersects a circle in two distinct points is called a secant to the circle.
TANGENT A line meeting a circle only in one point is called a tangent to the circle at that point.
The point at which the tangent line intersects the circle is called the point of contact.
1. A point P is at a distance of 29 cm from the centre of a circle of radius 20 cm. Find the length of the tangent drawn from P to the circle.
2. A point P is 25 cm away from the centre of a circle and the ligh of tangent drawn from P to the circle is 24 cm. Find the radios the circle.
3. Two concentric circles are of radii 6.5 cm and 2,5 cm. Find the lengt of the chord of the larger circle which touches the smaller circle.
4. In the given figure, a circle inscribed in a triangle ABC, touches the sides. AB, BC and AC at points D, E and F respectively. If AB 12 cm, BC-8 cm and AC-10 cm, find the lengths of AD, BE and CF. JCBSE 2013)
5. In the given figure, PA and PB are the tangent segments to a circle with centre O. Show that the points A, O. B and P are

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