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deepaksoniGuru

Asked: March 11, 2021In: ICSE

In the figure, not drawn to scale, TF is a tower. The elevation of T from A is x0 where tan x = 2/5 and AF = 200 m. The elevation of T from B, where AB = 80 m, is y0. Calculate: (i) the height of the tower TF. (ii) the angle y, correct to the nearest degree.

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

deepaksoniGuru

Asked: March 15, 2021In: ICSE

(i) cosec A/ (cosec A – 1) + cosec A/ (cosec A + 1) = 2 sec2 A (ii) cot A – tan A = (2cos2 A – 1)/ (sin A – cos A) (iii) (cot A – 1)/ (2 – sec2 A) = cot A/ (1 + tan A)

This ques has been asked in previous year question paper of class 10 and is the very important ques from ...Read more

deepaksoniGuru

Asked: March 16, 2021In: ICSE

A piece of cloth costs Rs. 300. If the piece was 5 metres longer and each metre of cloth costs Rs. 2 less, the cost of the piece would have remained unchanged. How long is the original piece of cloth and what is the rate per metre?

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

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

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

deepaksoniGuru

Asked: April 17, 2021In: ICSE

Question 35. (a) In the figure (i) given below, AT is tangent to a circle at A. If ∠BAT = 45° and ∠BAC = 65°, find ∠ABC.

One of the most important and exam oriented question from Chapter name- circles Topic – Angle properties of circles Chapter ...Read more

AnilSinghBoraGuru

Asked: February 15, 2022In: ICSE

Point P(5,−3) is one of the two points of trisection of the line segment joining the points A(7,−2) and B(1,−5). State true or false and justify your answer.

This is a very tricky question, i guess the solution will be very easy but right now i am not ...Read more

AnilSinghBoraGuru

Asked: July 8, 2022In: CBSE

The radii of two cylinders are in the ratio of 1: √ 3. If the volumes of two cylinders be same, find the ratio of their respective heights.

Please solve this question here the radii of two cylinders are given in the ratio 1:√ 3.and if their volumes ...Read more

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In the figure, not drawn to scale, TF is a tower. The elevation of T from A is x0 where tan x = 2/5 and AF = 200 m. The elevation of T from B, where AB = 80 m, is y0. Calculate: (i) the height of the tower TF. (ii) the angle y, correct to the nearest degree.

(i) cosec A/ (cosec A – 1) + cosec A/ (cosec A + 1) = 2 sec2 A (ii) cot A – tan A = (2cos2 A – 1)/ (sin A – cos A) (iii) (cot A – 1)/ (2 – sec2 A) = cot A/ (1 + tan A)

A piece of cloth costs Rs. 300. If the piece was 5 metres longer and each metre of cloth costs Rs. 2 less, the cost of the piece would have remained unchanged. How long is the original piece of cloth and what is the rate per metre?

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

Question 35. (a) In the figure (i) given below, AT is tangent to a circle at A. If ∠BAT = 45° and ∠BAC = 65°, find ∠ABC.

Point P(5,−3) is one of the two points of trisection of the line segment joining the points A(7,−2) and B(1,−5). State true or false and justify your answer.

The radii of two cylinders are in the ratio of 1: √ 3. If the volumes of two cylinders be same, find the ratio of their respective heights.