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deepaksoniGuru

Asked: March 16, 2021In: ICSE

If x = h + a cos θ and y = k + a sin θ, prove that (x – h)2 + (y – k)2 = a2.

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This is an important question from the Book- ML Aggarwal Board- ICSE Publication- Avichal Chapter- Trigonometric Identities Chapter number-18 If ...Read more

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deepaksoniGuru

Asked: March 16, 2021In: ICSE

Mohini wishes to fit three rods together in the shape of a right triangle. If the hypotenuse is 2 cm longer than the base and 4 cm longer than the shortest side, find the lengths of the rods.

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This question has been taken from Book:- ML aggarwal, Avichal publication, class10th, quadratic equation in one variable, chapter 5, exercise ...Read more

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deepaksoniGuru

Asked: March 17, 2021In: ICSE

Find the reciprocal ratio of (i) 4: 7 (ii) 32: 42 (iii) 1/9: 2

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It is a question from ML aggarwal, class 10th, chapter 7, ratio and proportion, Avichal publication This is a basic question ...Read more

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deepaksoniGuru

Asked: March 18, 2021In: ICSE

If ax = by = cz; prove that x²/yz+y²/zx+z²/xy=bc/a²+ca/b²+ab/c²

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exam oriented an important question from ML aggarwal, class 10th, chapter 7, ratio and proportion, Avichal publication We hve that ax ...Read more

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deepaksoniGuru

Asked: March 19, 2021In: ICSE

If x=2ab/(a+b) find the value of x+a/x−a+x+b/x−b

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This is very important and famous question of this pattern, and has been asked in exam many a time Question no. ...Read more

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deepaksoniGuru

Asked: March 26, 2021In: ICSE

Question 6. (a) In the figure (i) given below, O is the centre of the circle and ∠PBA = 42°. Calculate the value of ∠PQB (b) In the figure (ii) given below, AB is a diameter of the circle whose centre is O. Given that ∠ECD = ∠EDC = 32°, calculate (i) ∠CEF (ii) ∠COF.

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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 31, 2021In: ICSE

Ques (b) In the figure given below, two circles intersect at points P and Q. If ∠A = 80° and ∠D = 84°, calculate (i) ∠QBC (ii) ∠BCP

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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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If x = h + a cos θ and y = k + a sin θ, prove that (x – h)2 + (y – k)2 = a2.

Mohini wishes to fit three rods together in the shape of a right triangle. If the hypotenuse is 2 cm longer than the base and 4 cm longer than the shortest side, find the lengths of the rods.

Find the reciprocal ratio of (i) 4: 7 (ii) 32: 42 (iii) 1/9: 2

If ax = by = cz; prove that x²/yz+y²/zx+z²/xy=bc/a²+ca/b²+ab/c²

If x=2ab/(a+b) find the value of x+a/x−a+x+b/x−b

Question 6. (a) In the figure (i) given below, O is the centre of the circle and ∠PBA = 42°. Calculate the value of ∠PQB (b) In the figure (ii) given below, AB is a diameter of the circle whose centre is O. Given that ∠ECD = ∠EDC = 32°, calculate (i) ∠CEF (ii) ∠COF.

Ques (b) In the figure given below, two circles intersect at points P and Q. If ∠A = 80° and ∠D = 84°, calculate (i) ∠QBC (ii) ∠BCP