icse board Archives - Page 3 of 10

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deepaksoniGuru

Asked: March 31, 2021In: ICSE

Question 3. (a) In the figure, (i) given below, if ∠DBC = 58° and BD is a diameter of the circle, calculate: (i) ∠BDC (ii) ∠BEC (iii) ∠BAC

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This is an important and exam oriented question from Chapter name- circles Topic – Angle properties of circles Chapter number- ...Read more

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deepaksoniGuru

Asked: March 31, 2021In: ICSE

Ques 15 (b) In the figure (i) given below, AC is a diameter of the given circle and ∠BCD = 75°. Calculate the size of (i) ∠ABC (ii) ∠EAF.

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This is the basic and conceptual question from Chapter name- circles Topic – Angle properties of circles Chapter number- 15 In ...Read more

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deepaksoniGuru

Asked: March 26, 2021In: ICSE

Ques 19(b) In the figure (ii) given below, the diagonals of a cyclic quadrilateral ABCD intersect in P and the area of the triangle APB is 24 cm². If AB = 8 cm and CD = 5 cm, calculate the area of ∆DPC.

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This is the basic and conceptual question from Chapter name- circles Topic – Angle properties of circles Chapter number- 15 We ...Read more

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deepaksoniGuru

Asked: March 26, 2021In: ICSE

Question 19. (a) In the figure (i) given below, PR is a diameter of the circle, PQ = 7 cm, QR = 6 cm and RS = 2 cm. Calculate the perimeter of the cyclic quadrilateral PQRS.

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This is an important and exam oriented question from Chapter name- circles Topic – Angle properties of circles Chapter number- ...Read more

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deepaksoniGuru

Asked: March 26, 2021In: ICSE

Question 18. In the adjoining figure, AE and BC intersect each other at point D. If ∠CDE = 90°, AB = 5 cm, BD = 4 cm and CD = 9 cm, find DE

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This is an important and exam oriented question from Chapter name- circles Topic – Angle properties of circles Chapter number- ...Read more

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deepaksoniGuru

Asked: March 26, 2021In: ICSE

Ques 17 (b) In the figure (ii) given below, AB and CD are two intersecting chords of a circle. Name two triangles which are similar. Hence, calculate CP given that AP = 6cm, PB = 4 cm, and CD = 14 cm (PC > PD).

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This is an important and exam oriented question from Chapter name- circles Topic – Angle properties of circles Chapter number- ...Read more

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deepaksoniGuru

Asked: March 26, 2021In: ICSE

Question 17. (a) In the figure (i) given below, chords AB and CD of a circle intersect at E. (i) Prove that triangles ADE and CBE are similar. (ii) Given DC =12 cm, DE = 4 cm and AE = 16 cm, calculate the length of BE.

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This is circle based question from Chapter name- circles Topic – Angle properties of circles Chapter number- 15 We ...Read more

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deepaksoniGuru

Asked: March 26, 2021In: ICSE

Question 16. (a) In the figure (i) given below, CP bisects ∠ACB. Prove that DP bisects ∠ADB. (b) In the figure (ii) given below, BDbisects ∠ABC. Prove that AB/BD=BE/BC

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This is an important and exam oriented question from Chapter name- circles Topic – Angle properties of circles Chapter number- ...Read more

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deepaksoniGuru

Asked: March 26, 2021In: ICSE

Question 14. In the adjoining figure, O is the centre of the given circle and OABC is a parallelogram. BC is produced to meet the circle at D. Prove that ∠ABC = 2 ∠OAD.

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This is circle based question from Chapter name- circles Topic – Angle properties of circles Chapter number- 15 In the ques ...Read more

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deepaksoniGuru

Asked: March 26, 2021In: ICSE

Question 12. In the given figure, AB and CD are equal chords. AD and BC intersect at E. Prove that AE = CE and BE = DE.

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This is an important and exam oriented question from Chapter name- circles Topic – Angle properties of circles Chapter number- ...Read more

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