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aiyannaj
04.01.2021 •
Mathematics
Tudent Home I No.
DeltaMath O Destiny D
The measures of the angles of a triangle are shown in the figure below. Solve for X.
33
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Ответ:
57 degrees! : D
Step-by-step explanation:
Every triangle angles(all of them) add up to 190 degrees.
so 33+x+90 degrees.
Why do we add 90 degrees? because there is a little "square on the bottom right explaining that it is a 90-degree angle.
so 33+90=123
so x=180(our original sum) minus 123
and so x=57 degrees
Ответ:
Cosine is adjacent over hypotenuse.
C is the right angle so AB is the hypotenuse.
A is the angle we're interested in, so AC is the adjacent.
cos A = AC/AB = 12/37
12/37