laywah4
21.02.2020 •
Mathematics
John is skiing on a mountain with an altitude of 1200 feet. The angle of depression is 21 About how far does
John ski down the mountain?
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Ответ:
The length of each side of the square is 5 meters
Step-by-step explanation:
The correct question is
A figure is formed by a square and a triangle. total area is 32.5 m^2. the area of the triangle is 7.5 m^2. what is the length of each side of the square?
we know that
The total area of the figure is equal to the area of triangle plus the area of square
so
The area of square is equal to the area f the figure minus the area of triangle
Let
A ----area of the square
Find the length side of the square
Remember that the area of the square is
where
b is the length side of the square
substitute
square root both sides
therefore
The length of each side of the square is 5 meters