Aarani

Asked: November 5, 2020In: Class 9

A chord of a circle is equal to the radius of the circle. Find the angle subtended by the chord at a point on the minor arc and also at a point on the major arc.

NCERT Solutions for Class 9 Maths Chapter 10 Important NCERT Questions Circles NCERT Books for Session 2022-2023 CBSE Board, UP Board and Other state Boards EXERCISE 10.5 Page No:185 Questions No:2

Ayesha Thakur

Asked: November 5, 2020In: Class 9

ABCD is a cyclic quadrilateral whose diagonals intersect at a point E. If ∠ DBC = 70°, ∠BAC is 30°, find ∠BCD. Further, if AB = BC, find ∠ECD.

NCERT Solutions for Class 9 Maths Chapter 10 Important NCERT Questions Circles NCERT Books for Session 2022-2023 CBSE Board, UP Board and Other state Boards EXERCISE 10.5 Page No:185 Questions No:6

Ayesha Thakur

Asked: November 5, 2020In: Class 9

If diagonals of a cyclic quadrilateral are diameters of the circle through the vertices of the quadrilateral, prove that it is a rectangle.

NCERT Solutions for Class 9 Maths Chapter 10 Important NCERT Questions Circles NCERT Books for Session 2022-2023 CBSE Board, UP Board and Other state Boards EXERCISE 10.5 Page No:185 Questions No:7

Ayesha Thakur

Asked: November 5, 2020In: Class 9

If the non-parallel sides of a trapezium are equal, prove that it is cyclic.

NCERT Solutions for Class 9 Maths Chapter 10 Important NCERT Questions Circles NCERT Books for Session 2022-2023 CBSE Board, UP Board and Other state Boards EXERCISE 10.5 Page No:185 Questions No:8

Ayesha Thakur

Asked: November 5, 2020In: Class 9

. If circles are drawn taking two sides of a triangle as diameters, prove that the point of intersection of these circles lie on the third side.

NCERT Solutions for Class 9 Maths Chapter 10 Important NCERT Questions Circles NCERT Books for Session 2022-2023 CBSE Board, UP Board and Other state Boards EXERCISE 10.5 Page No:186 Questions No:10

Ayesha Thakur

Asked: November 5, 2020In: Class 9

ABC and ADC are two right triangles with common hypotenuse AC. Prove that ∠CAD = ∠CBD.

NCERT Solutions for Class 9 Maths Chapter 10 Important NCERT Questions Circles NCERT Books for Session 2022-2023 CBSE Board, UP Board and Other state Boards EXERCISE 10.5 Page No:186 Questions No:11

Ayesha Thakur

Asked: November 5, 2020In: Class 9

Prove that a cyclic parallelogram is a rectangle.

NCERT Solutions for Class 9 Maths Chapter 10 Important NCERT Questions Circles NCERT Books for Session 2022-2023 CBSE Board, UP Board and Other state Boards EXERCISE 10.5 Page No:186 Questions No:12

Tejas Rana

Asked: November 5, 2020In: Class 9

Prove that the line of centers of two intersecting circles subtends equal angles at the two points of intersection.

NCERT Solutions for Class 9 Maths Chapter 10 Important NCERT Questions Circles NCERT Books for Session 2022-2023 CBSE Board, UP Board and Other state Boards EXERCISE 10.6 Page No:186 Questions No:1

Anand Singh

Asked: November 5, 2020In: Class 9

A plastic box 1.5 m long, 1.25 m wide and 65 cm deep is to be made. It is to be open at the top. Ignoring the thickness of the plastic sheet, determine:

NCERT Solutions for Class 9 Maths Chapter 13 Important NCERT Questions Surface Areas and Volumes NCERT Books for Session 2022-2023 CBSE Board, UP Board and Other state Boards EXERCISE 13.1 Page No:213 Questions No:1 (i) The area of the sheet required ...

Anand Singh

Asked: November 5, 2020In: Class 9

The length, breadth and height of a room are 5 m, 4 m and 3 m respectively. Find the cost of white washing the walls of the room and the ceiling at the rate of Rs 7.50 per m².

NCERT Solutions for Class 9 Maths Chapter 13 Important NCERT Questions Surface Areas and Volumes NCERT Books for Session 2022-2023 CBSE Board, UP Board and Other state Boards EXERCISE 13.1 Page No:213 Questions No:2

Aarani

A chord of a circle is equal to the radius of the circle. Find the angle subtended by the chord at a point on the minor arc and also at a point on the major arc.

ABCD is a cyclic quadrilateral whose diagonals intersect at a point E. If ∠ DBC = 70°, ∠BAC is 30°, find ∠BCD. Further, if AB = BC, find ∠ECD.

If diagonals of a cyclic quadrilateral are diameters of the circle through the vertices of the quadrilateral, prove that it is a rectangle.

If the non-parallel sides of a trapezium are equal, prove that it is cyclic.

. If circles are drawn taking two sides of a triangle as diameters, prove that the point of intersection of these circles lie on the third side.

ABC and ADC are two right triangles with common hypotenuse AC. Prove that ∠CAD = ∠CBD.

Prove that a cyclic parallelogram is a rectangle.

Prove that the line of centers of two intersecting circles subtends equal angles at the two points of intersection.

A plastic box 1.5 m long, 1.25 m wide and 65 cm deep is to be made. It is to be open at the top. Ignoring the thickness of the plastic sheet, determine:

The length, breadth and height of a room are 5 m, 4 m and 3 m respectively. Find the cost of white washing the walls of the room and the ceiling at the rate of Rs 7.50 per m².

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