Chapter 10 – Circles
2. If the perpendicular bisector of a chord AB of a circle PXAQBY intersects the circle at P and Q, prove that arc PXA ≅ Arc PYB.
02
Jul
2. If the perpendicular bisector of a chord AB of a circle PXAQBY intersects the circle at P and Q, prove that arc PXA ≅ Arc PYB. 2. If the perpendicular bisector of a chord AB of a circle PXAQBY intersects the circle at P and Q prove that arc PXA ≅ Arc PYB. July [...]
1. If arcs AXB and CYD of a circle are congruent, find the ratio of AB and CD.
02
Jul
1. If arcs AXB and CYD of a circle are congruent, find the ratio of AB and CD. 1. If arcs AXB and CYD of a circle are congruent find the ratio of AB and CD. July 2, 2021 Category: Chapter 10 - Circles , Maths , NCERT Class 9 ,
Write True or False and justify your answer in each of the following: 10. In Fig. 10.10, if AOB is a diameter and ∠ADC = 120°, then ∠CAB = 30°.
02
Jul
Write True or False and justify your answer in each of the following: 10. In Fig. 10.10, if AOB is a diameter and ∠ADC = 120°, then ∠CAB = 30°. if AOB is a diameter and ∠ADC = 120° then ∠CAB = 30°. Write True or False and justify your answer in each of the [...]
Write True or False and justify your answer in each of the following: 9. If A, B, C and D are four points such that ∠BAC = 45° and ∠BDC = 45°, then A, B, C, D are concyclic.
02
Jul
Write True or False and justify your answer in each of the following: 9. If A, B, C and D are four points such that ∠BAC = 45° and ∠BDC = 45°, then A, B, C, D are concyclic. B C C and D are four points such that ∠BAC = 45° and ∠BDC = [...]
Write True or False and justify your answer in each of the following: 8. If A, B, C, D are four points such that ∠BAC = 30° and ∠BDC = 60°, then D is the centre of the circle through A, B and C.
02
Jul
Write True or False and justify your answer in each of the following: 8. If A, B, C, D are four points such that ∠BAC = 30° and ∠BDC = 60°, then D is the centre of the circle through A, B and C. B b and c`. C D are four points such that [...]
Write True or False and justify your answer in each of the following: 7. ABCD is a cyclic quadrilateral such that ∠A = 90°, ∠B = 70°, ∠C = 95° and ∠D = 105°.
02
Jul
Write True or False and justify your answer in each of the following: 7. ABCD is a cyclic quadrilateral such that ∠A = 90°, ∠B = 70°, ∠C = 95° and ∠D = 105°. ∠B = 70° ∠C = 95° and ∠D = 105°. Write True or False and justify your answer in each of [...]
Write True or False and justify your answer in each of the following: 6. If AOB is a diameter of a circle and C is a point on the circle, then AC^2 + BC^2 = AB^2.
02
Jul
Write True or False and justify your answer in each of the following: 6. If AOB is a diameter of a circle and C is a point on the circle, then AC^2 + BC^2 = AB^2. then AC^2 + BC^2 = AB^2. Write True or False and justify your answer in each of the following: [...]
Write True or False and justify your answer in each of the following: 5. A circle of radius 3 cm can be drawn through two points A, B such that AB = 6 cm
02
Jul
Write True or False and justify your answer in each of the following: 5. A circle of radius 3 cm can be drawn through two points A, B such that AB = 6 cm B such that AB = 6 cm Write True or False and justify your answer in each of the following: 5. [...]
Write True or False and justify your answer in each of the following: 4. Through three collinear points a circle can be drawn.
02
Jul
Write True or False and justify your answer in each of the following: 4. Through three collinear points a circle can be drawn. Write True or False and justify your answer in each of the following: 4. Through three collinear points a circle can be drawn. July 2, 2021 Category: Chapter 10 - Circles , [...]
Write True or False and justify your answer in each of the following: 3. Two congruent circles with centres O and O′ intersect at two points A and B. Then ∠AOB = ∠AO′B.
02
Jul
Write True or False and justify your answer in each of the following: 3. Two congruent circles with centres O and O′ intersect at two points A and B. Then ∠AOB = ∠AO′B. Write True or False and justify your answer in each of the following: 3. Two congruent circles with centres O and O′ [...]