A circle has a radius of 19 cm. Find the radian measure of the central angle that intercepts an arc of length 4 cm.
1 answer:
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For this case we have a system of two equations with two unknowns:
We follow the steps below:
We add the equations:
We divide between 9 on both sides of the equation:
We substitute the value of "x" in the first equation and find the value of y:
Thus, the solution of the system is: (3, -1)
Answer:
(3, -1)