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famouzgal
10.10.2019 •
Mathematics
Which is the correct calculation of the y-coordinate of point
a?
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Ответ:
y =![\sqrt{3}](/tpl/images/0307/2703/ba4cb.png)
Step-by-step explanation:
The given circle has a radius of 2 thus OA = 2 , hypotenuse of right triangle
Using Pythagoras' identity in the right triangle formed to find y
The square on the hypotenuse is equal to the sum of the squares on the other 2 sides, that is
1² + y² = 2²
1 + y² = 4 ( subtract 1 from both sides )
y² = 3 ( take the square root of both sides )
y =![\sqrt{3}](/tpl/images/0307/2703/ba4cb.png)
Thus A = (1,
)
Ответ:
go focus and stop cheating lma-oo
Step-by-step explanation: