A 165 cm tall man standing 500 cm away from the wall looks at a hooks on the wall with an angle of elevation of 450 what is the height at which the hooks is in the wall?

A 165 cm tall man standing 500 cm away from the wall looks at a hooks on the wall with an angle of elevation of 450 what is the height at which the hooks is in the wall? Correct Answer 665 cm

Given:

Distance between men and the wall = 500 cm

Angle of elevation of hook of wall = 45°

Concept:

90° 45° 45° rule

[ alt="F1 Ravi. S 25-08-2020 Savita D2" src="//storage.googleapis.com/tb-img/production/20/08/F1_Ravi.%20S_25-08-2020_Savita_D2.png" style="width: 187px; height: 185px;">

Calculation:

So by, 45° 45° 90° rule

In ΔABC

AB = BC = 500 cm

Height of wall =

 ⇒ 500 + 165 = 665 cm

⇒ required height of wall = 665 cm

Bissoy MCQ

Related Questions

A map shows the elevations of Darjeeling, Gangtok, Kalimpong, Pelling, and Siliguri. Kalimpong is at a lower elevation than Gangtok, Pelling is at a lower elevation than Gangtok. Pelling is at a higher elevation than Siliguri. Darjeeling is at a higher elevation than Gangtok. Which of the following statements can be inferred from the paragraph above? i. Pelling is at a higher elevation than Kalimpong ii. Kalimpong is at a lower elevation than Darjeeling iii. Kalimpong is at a higher elevation than Siliguri iv. Siliguri is at a lower elevation than Gangtok
The following table shows the income (in rupees) for a particular month, together with their source, in respect of 5 employees (A, B, C, D and E).   A B C D E Salary 52,000 48,500 42,000 31,000 25,000 Overtime 0 0 1,500 2,500 3,200 Arrears 5.500 4,500 4,000 3,000 1,500 Bonus 3,500 3,000 2,500 2,000 2,000 Miscellaneous income 5,000 3,000 1,500 1,500 0 Total 66,000 59,000 40,000 40,000 31,700   For employee D, the income from overtime is what percentage of his total income?
In an NCC parade of a school, seven students P, Q, R, S, T, U, and V are standing in a row. V is standing between P and T. One student is standing between U and P. There are two students standing between R and T who is standing at the left of P. S is standing at the immediate right of U. There are three students between R and Q. Who is standing third from the left end of the row?
From a height of h units, a man observes the angle of elevation as α and angle of depression as β of the top and bottom respectively of a tower of height H (> 4h). To what further height should be climb so that the values of angle of elevation and angle of depression get interchanged for the top and bottom of the tower?
The following table shows the income (In Rs.) for a particular month, together with their source, with respect to 5 employees (A, B, C, D, and E)   A B C D E Salary 52,000 48,500 42,000 31,000 25,000 Overtime 0 0 1,500 2,500 3,200 Arrears 5,500 4,500 4,000 3,000 1,500 Bonus 3,500 3,000 2,500 2,000 2,000 Miscellaneous income 5,000 3,000 2,000 1,500 0 Total 66,000 59,000 52,000 40,000 31,700   How many employees got more than a total of Rs. 10,000 as income other than salary?
The following table shows the income (in rupees) for a particular month, together with their source, in respect of 5 employees (A, B, C, D and E)   A B C D E Salary 52,000 48,500 42,000 31,000 25,000 Overtime 0 0 1,500 2,500 3,200 Arrears 5,500 4,500 4,000 3,000 1,500 Bonus 3,500 3,000 2,500 2,000 2,000 Miscellaneous income 5,000 3,000 2,000 1,500 0 Total 66,000 59,000 52,000 40,000 31,700 How many employees got more arrears than the average arrears received by all the employees?
The table below shows income (in rupees) for a particular month, together with their sources in respect of 5 employees A, B, C, D and E Employee A B C D E Salary 52,000 48,500 42,000 31,000 25,000 Overtime 0 0 1,500 2,500 3,200 Arrears 5,500 4,500 4,000 3,000 1,500 Bonus 3,500 3,000 2,500 2,000 2,000 Miscellaneous income 5,000 3,000 2,000 1,500 0 Total 66,000 59,000 52,000 40,000 31,700 How many employees have their salary more than four times their other incomes?
In each of the following question below are given some statements followed by some conclusions. Taking the given statements to be true even if they seem to be at variance from commonly known facts, read all the conclusions and then decide which of the given conclusion logically follows the given statements. Statements: I. All Pan are Stoves. II. No stove is Hook. III. Some Lamps are Pan. Conclusions: I. Some Pan are Hooks. II. Some Stoves are Pan. III. All Hooks are Lamps. IV. Some Lamps are Hooks is a possibility.
Study the following information carefully and answer the given question. Six members of a society are standing in order of their height from tallest to smallest. B is standing three ranks below J who is standing at the second position. W is standing two positions above B. M is the tallest and K is the smallest member. L is standing somewhere above B. What is the position of L in the given height order arrangement?
Eight robots – J, K, L, M, N, O, P and Q are standing around a circular tree facing outside. K is fifth to the right of Q which is standing opposite to N. there is K standing between N and M. M is standing opposite to L which is standing to the immediate right of J. O is standing third to the right of N. Which of the following statement is true?