166k views
24 votes
A tree casts a shadow 31 feet long when the angle of

elevation of the sun is 58º. Find the height of the tree.

A tree casts a shadow 31 feet long when the angle of elevation of the sun is 58º. Find-example-1

1 Answer

2 votes

Answer:

x=24.2198542

ROUND IF NEEDED

Explanation:

We are trying to find the height of the tree or the vertical side

We are given

  • The angle of elevation or the angle at the ground ,38
  • The horizontal length, 31.

Since we have a side that is adjacent to that angle and we are trying find backside that us opposite of that angle

we are going to use tangent


\tan(x) = (opp)/(adj)

plug 38 in for x or theta, x for opp side and 31 for adjacent side


\tan(38) = (x)/(31)

Multiply 31 by both sides to find x

x=24.2198542

ROUND IF NEEDED.

User Magzalez
by
3.3k points