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1

deepaksoniGuru

Asked: March 26, 2021In: ICSE

Question 15. (a) In the figure (i) given below, P is the point of intersection of the chords BC and AQ such that AB = AP. Prove that CP = CQ.

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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 13. (a) In the figure (i) given below, AB is a diameter of a circle with centre O. AC and BD are perpendiculars on a line PQ. BD meets the circle at E. Prove that AC = ED. (b) In the figure (ii) given below, O is the centre of a circle. Chord CD is parallel to the diameter AB. If ∠ABC = 25°, calculate ∠CED.

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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 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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deepaksoniGuru

Asked: March 26, 2021In: ICSE

Ques 11. O is the circumcentre of the triangle ABC and D is mid-point of the base BC. Prove that ∠BOD = ∠A.

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

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Rajan@2021Guru

Asked: March 26, 2021In: ICSE

In the given figure, ∠D=∠E and AD/BD=AE/EC. Prove that BAC is an isosceles triangle.

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In the given question we have been asked to prove that BAC is an isosceles triangle. If ∠D=∠E and AD/BD=AE/EC. ML Aggarwal Avichal Publication ...Read more

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Rajan@2021Guru

Asked: March 26, 2021In: ICSE

In the given figure, DE || AB and FE || DB. Prove that DC2 = CF.AC

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An important question from similarity chapter as it is already been asked in previous year paper in 2007 in which ...Read more

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Rajan@2021Guru

Asked: March 26, 2021In: ICSE

In figure (i) given below, DE∥BC and BD=CE. Prove that ABC is an isosceles triangle.

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An important question from similarity chapter in which we have been asked to prove that triangle ABC is an isosceles ...Read more

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Rajan@2021Guru

Asked: March 26, 2021In: ICSE

A and B are respectively the points on the sides PQ and PR of a triangle PQR such that PQ=12.5 cm,PA=5 cm,BR=6 cm and PB=4 cm. Is AB∥QR? Give reasons for your answer.

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Sorry it's a private question.

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Rajan@2021Guru

Asked: March 26, 2021In: ICSE

E and F are points on the sides PQ and PR respectively of a △PQR. For each of the following cases, state whether EF∣∣QR : (i) PE=3.9 cm, EQ=3 cm, PF=3.6 cm and FR=2.4 cm (ii) PE=4 cm, QE=4.5 cm, PF=8 cm and RF=9 cm (iii) PQ=1.28 cm, PR=2.56 cm, PE=0.18 cm and PF=0.36 cm

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In the given question we are to prove that ratio of length of the sides of triangle are equal by ...Read more

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