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SonuNewbie

Asked: August 10, 2021In: NCERT Class 9th Maths

ABC is a triangle in which altitudes BE and CF to sides AC and AB are equal (see Fig. 7.32). Show that (i) ΔABE ΔACF (ii) AB = AC, i.e., ABC is an isosceles triangle.Q.4

Find the best solution of this important question of ncert class 9th of chapter triangles . Please help me to ...Read more

mehakNewbie

Asked: June 14, 2023In: CBSE

If one of the zeros of the quadratic polynomial f(x) = 4×2 – 8kx – 9 is negative of the other, then find the value of k.

find k if one of the zeroes is negative. and explain the importance of this question. Class 10th rd Sharma important question ...Read more

mehakNewbie

Asked: June 28, 2023In: CBSE

Solve the following quadratic equation by factorisation: 1. (x – 4)(x + 2) = 0

Explain, how did we split the number in the equation. How to factorise? Class 10th, Statistics, Rd sharma, Mathematics.

mehakNewbie

Asked: July 31, 2023In: CBSE

18. The diameters of the internal and external surfaces of a hollow spherical shell are 10cm and 6 cm, respectively. If it is melted and recast into a solid cylinder of the length of 8/3, find the diameter of the cylinder.

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

deepaksoniGuru

Asked: March 10, 2021In: ICSE

A man invests Rs 8800 on buying shares of face value of rupees hundred each at a premium of 10%. If he earns Rs 1200 at the end of year as dividend, find: (i) The number of shares he has in this company (ii) The dividend percentage per share.

this is an important question because it has been asked in 2001 and has a high chances of coming in ...Read more

deepaksoniGuru

Asked: March 11, 2021In: ICSE

A boy is flying a kite with a string of length 100 m. If the string is tight and the angle of elevation of the kite is 260 32’, find the height of the kite correct to one decimal place, (ignore the height of the boy).

sir this is the question from the book -ML aggarwal( avichal publication) class 10th , chapter20 , heights and distancesRead more

deepaksoniGuru

Asked: March 15, 2021In: ICSE

If tan A = 1/√3, find all other trigonometric ratios of angle A.

This is an important question from Book- ML Aggarwal Board- ICSE Publication- Avichal Chapter- Trigonometric Identities This question has been asked in ...Read more

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Discy Latest Questions

ABC is a triangle in which altitudes BE and CF to sides AC and AB are equal (see Fig. 7.32). Show that (i) ΔABE ΔACF (ii) AB = AC, i.e., ABC is an isosceles triangle.Q.4

If one of the zeros of the quadratic polynomial f(x) = 4×2 – 8kx – 9 is negative of the other, then find the value of k.

Solve the following quadratic equation by factorisation: 1. (x – 4)(x + 2) = 0

18. The diameters of the internal and external surfaces of a hollow spherical shell are 10cm and 6 cm, respectively. If it is melted and recast into a solid cylinder of the length of 8/3, find the diameter of the cylinder.

A man invests Rs 8800 on buying shares of face value of rupees hundred each at a premium of 10%. If he earns Rs 1200 at the end of year as dividend, find: (i) The number of shares he has in this company (ii) The dividend percentage per share.

A boy is flying a kite with a string of length 100 m. If the string is tight and the angle of elevation of the kite is 260 32’, find the height of the kite correct to one decimal place, (ignore the height of the boy).

If tan A = 1/√3, find all other trigonometric ratios of angle A.