Answer asap
a 10-foot long ladder leans against the side of a building. it reaches to a point that is 9 feet above the level ground.
what is the measure of the angle formed by the ladder and the building

enter your answer, rounded to the nearest degree, in the box.
°

Not my expertise so I cannot really help but use phythagoream theorem, in which a^2 + b^2 = c^2

Hope this helps

yes. we do proportions in probabilities.

step-by-step explanation:

no, her answer is not correct.   we square the lengths of all sides and then determine whether the pythagorean theorem holds here:

9² + 15² = 306.   this is not equal to the square of the longest side ( that square being 395.   answer c is correct.