The length of the support post is 40 ft.
<u>Solution:</u>
Given, the height of the wall is 20 ft; support post forms 30 degree
Refer the attached image
Let us name the triangle as ABC where AB is the wall (opposite side) of 20 ft and
is 30 degree (
) and AC is the length of the post.
To find: The length of the post (AC)
we know the formula,
(trigonometric formula)
On substituting the values we get,

The value of sin 30 degree is 0.5

Answer:
73.13
Step-by-step explanation:
I think this <em><u>might</u></em><em><u> </u></em>be the right answer.
10% of 50 is 5.
Therefore 50+5=55
Your answer is 5
Answer:
a
Step-by-step explanation:
Ok so maybe add or subtract the numbers and see what u get :) I calculated it