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mehakNewbie

Asked: July 21, 2023In: CBSE

1. Find the distance between the following pair of points. (i) (- 6, 7) and (-1, -5) (ii) (a + b, b + c) and (a -b, c – b) (iii) (a sin α, – b cos α) and (- a cos α, b sin α)

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Explain this question of coordinate geometry using various formulas, stated in the Rd sharma book. Class 10th Cbse, Rd Sharma, Coordinate Geometry.

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Deepak BoraNewbie

Asked: July 14, 2020In: CBSE

Find the area of a rhombus if its vertices are (3, 0), (4, 5), (-1, 4) and (-2,-1) taken in order.

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Find the Area of the Rhombus. Hint : Area = ½× d1× d2

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Deepak BoraNewbie

Asked: July 18, 2020In: CBSE

Important proofs of circle theorems.

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Important proofs of circle theorems. This is helpful for all the students.

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Deepak BoraNewbie

Asked: August 29, 2020In: CBSE

A copper sphere of diameter 18 cm is drawn into a wire of diameter 4 mm. Find the length of the wire.

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Question from RS Aggarwal book, problem number 21, page number 827, exercise 17D, chapter volume and surface area of solid. ...Read more

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Deepak BoraNewbie

Asked: September 18, 2020In: CBSE, ICSE

For what value of k will the following pair of linear equations have no solution? 2x+3y=9,6x+(k-2)y=(3k-2)

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This is the Important question based on Linear Equations in two Variables Chapter of R.S Aggarwal book for ICSE ...Read more

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deepaksoniGuru

Asked: June 29, 2021In: CBSE

Question 1. Find the sum of the following arithmetic progressions(vii) (x-y) /(x+y), (3x-2y)/(x+y), (5x-3y)/(x+y)…… n terms

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One of the most important and exam oriented question from Chapter name- Arithmetic Progression Class 10th Chapter number- 9 Exercise ...Read more

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mehakNewbie

Asked: July 31, 2023In: CBSE

13. A solid metallic sphere of radius 10.5 cm is melted and recast into a number of smaller cones, each of radius 3.5 cm and height 3 cm. Find the number of cones so formed.

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Explain the question using formulas given in the chapter. Class 10th Cbse, RD Sharma.

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1. Find the distance between the following pair of points. (i) (- 6, 7) and (-1, -5) (ii) (a + b, b + c) and (a -b, c – b) (iii) (a sin α, – b cos α) and (- a cos α, b sin α)

Find the area of a rhombus if its vertices are (3, 0), (4, 5), (-1, 4) and (-2,-1) taken in order.

Important proofs of circle theorems.

A copper sphere of diameter 18 cm is drawn into a wire of diameter 4 mm. Find the length of the wire.

For what value of k will the following pair of linear equations have no solution? 2x+3y=9,6x+(k-2)y=(3k-2)

Question 1. Find the sum of the following arithmetic progressions(vii) (x-y) /(x+y), (3x-2y)/(x+y), (5x-3y)/(x+y)…… n terms

13. A solid metallic sphere of radius 10.5 cm is melted and recast into a number of smaller cones, each of radius 3.5 cm and height 3 cm. Find the number of cones so formed.