Get 2 FREE Instant-Explanations on Filo with code FILOAPP

A vertical tower stands on a declivity which isinclined at 15

Question

$A$ vertical tower stands on a declivity which isinclined at $1 5^{0}$ to the horizon. From the foot of the tower a man ascends the declivity for80 feet and then finds that the tower subtends an angle of $3 0^{0}$ . The height of the tower is

20 (6 - 2) f t

40 (6 - 2) f t

40 (6 + 2) f t

40

Views: 1,010 students

Found 2 tutors discussing this question

Levi Discussed

A

vertical tower stands on a declivity which isinclined at

1 5^{0}

to the horizon. From the foot of the tower a man ascends the declivity for80 feet and then finds that the tower subtends an angle of

3 0^{0}

. The height of the tower is

10 mins ago

Discuss this question LIVE

10 mins ago

Text solutionVerified

\frac{h}{s in 30} = \frac{80}{s in 75}

h = \frac{40}{cos 15}

h = \frac{40 \times 2 2}{3 + 1}

h = 40 (6 - 2)

Was this solution helpful?

150

Report

One destination to cover all your homework and assignment needs

Learn Practice Revision Succeed

Instant 1:1 help, 24x7

60, 000+ Expert tutors

Textbook solutions

Big idea maths, McGraw-Hill Education etc

Essay review

Get expert feedback on your essay

Schedule classes

High dosage tutoring from Dedicated 3 experts

Trusted by 4 million+ students

Stuck on the question or explanation?

Connect with our maths tutors online and get step by step solution of this question.

231 students are taking LIVE classes

Question Text	$A$ vertical tower stands on a declivity which isinclined at $1 5^{0}$ to the horizon. From the foot of the tower a man ascends the declivity for80 feet and then finds that the tower subtends an angle of $3 0^{0}$ . The height of the tower is
Answer Type	Text solution:1
Upvotes	150