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Yash Singh

Asked: October 30, 2020In: Class 10

If tangents PA and PB from a point P to a circle with Centre O are inclined to each other at angle of 80°, then angle POA is equal to.

NCERT Solutions for Class 10 Maths Chapter 10 Important NCERT Questions Circles NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 10.2 Page No:213 Questions No:3

Yash Singh

Asked: October 30, 2020In: Class 10

Prove that the tangents drawn at the ends of a diameter of a circle are parallel.

NCERT Solutions for Class 10 Maths Chapter 10 Important NCERT Questions Circles NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 10.2 Page No:214 Questions No:4

Yash Singh

Asked: October 30, 2020In: Class 10

Prove that the perpendicular at the point of contact to the tangent to a circle passes through the Centre.

NCERT Solutions for Class 10 Maths Chapter 10 Important NCERT Questions Circles NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 10.2 Page No:214 Questions No:5

Yash Singh

Asked: October 30, 2020In: Class 10

The length of a tangent from a point A at distance 5 cm from the Centre of the circle is 4 cm. Find the radius of the circle.

NCERT Solutions for Class 10 Maths Chapter 10 Important NCERT Questions Circles NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 10.2 Page No:214 Questions No:6

Shanaya Chopra

Asked: October 30, 2020In: Class 10

Two concentric circles are of radii 5 cm and 3 cm. Find the length of the chord of the larger circle which touches the smaller circle.

NCERT Solutions for Class 10 Maths Chapter 10 Important NCERT Questions Circles NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 10.2 Page No:214 Questions No:7

Shanaya Chopra

Asked: October 30, 2020In: Class 10

Prove that the angle between the two tangents drawn from an external point to a circle is supplementary to the angle subtended by the line-segment joining the points of contact at the Centre.

NCERT Solutions for Class 10 Maths Chapter 10 Important NCERT Questions Circles NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 10.2 Page No:214 Questions No:10

Shanaya Chopra

Asked: October 30, 2020In: Class 10

Prove that the parallelogram circumscribing a circle is a rhombus.

NCERT Solutions for Class 10 Maths Chapter 10 Important NCERT Questions Circles NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 10.2 Page No:214 Questions No:11

Shanaya Chopra

Asked: October 30, 2020In: Class 10

Prove that opposite sides of a quadrilateral circumscribing a circle subtend supplementary angles at the Centre of the circle.

NCERT Solutions for Class 10 Maths Chapter 10 Important NCERT Questions Circles NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 10.2 Page No:214 Questions No:13

Jay Singh

Asked: October 30, 2020In: Class 10

In angle ABC, right-angled at B, AB = 24 cm, BC = 7 cm. Determine Sin A and Cos A.

NCERT Solutions for Class 10 Maths Chapter 8 Important NCERT Questions Introduction Trigonometry NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 8.1 Page No:181 Questions No:1 (i) sin A, cos A (ii) sin C, cos C

Jay Singh

Asked: October 30, 2020In: Class 10

If sin A = 3 /4, calculate cos A and tan A.

NCERT Solutions for Class 10 Maths Chapter 8 Important NCERT Questions Introduction Trigonometry NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 8.1 Page No:181 Questions No:3

If tangents PA and PB from a point P to a circle with Centre O are inclined to each other at angle of 80°, then angle POA is equal to.

Prove that the tangents drawn at the ends of a diameter of a circle are parallel.

Prove that the perpendicular at the point of contact to the tangent to a circle passes through the Centre.

The length of a tangent from a point A at distance 5 cm from the Centre of the circle is 4 cm. Find the radius of the circle.

Two concentric circles are of radii 5 cm and 3 cm. Find the length of the chord of the larger circle which touches the smaller circle.

Prove that the angle between the two tangents drawn from an external point to a circle is supplementary to the angle subtended by the line-segment joining the points of contact at the Centre.

Prove that the parallelogram circumscribing a circle is a rhombus.

Prove that opposite sides of a quadrilateral circumscribing a circle subtend supplementary angles at the Centre of the circle.

In angle ABC, right-angled at B, AB = 24 cm, BC = 7 cm. Determine Sin A and Cos A.

If sin A = 3 /4, calculate cos A and tan A.

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