the floor of a rectangular deck has an area of 600 square feet. the floor is 20 feet wide. how long is the floor?
2 answers:
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Answer:
Step-by-step explanation:
We have two congruent right triangles and three rectangles.
First, calculate the length of the hypotenuse using the Pythagorean theorem:
We have
Substitute:
The formula of an area of a right triangle:
Substitute:
The formula of an area of a rectangle:
w - width
l - length
Rectangle 1:
w = 15, l = 22
Rectangle 2:
w = 17, l = 22
Rectangle 3:
w = 8, l = 22
The Surface Area of the triangular prism:
Substitute: