Answer:
<u>x</u><u> </u><u>is</u><u> </u><u>1</u><u>1</u>
Step-by-step explanation:

Answer:
Width is 3x+7 units
Step-by-step explanation:
In the attached file
Set this up like a right triangle with the height of the triangle as 30, the angle across from that side, the reference angle, as 55, and the base is your unknown, x. This means that we have the angle, the side across from it, and the side adjacent to it. That sounds like the tangent ratio to me! Tangent of the angle is the side opposite over the side adjacent:

. Solving for x:

. Do that on your calculator in degree mode to get that the distance between the base of the ladder and the wall is 21 feet
1st and 2nd pictures are for finding area and 3rd picture is for finding perimeter
hope you understood well and if not and you can ask again
the answer should be 320.4