It is helpful to become familiar with the rules for secants of a circle.
The product of the numbers on the same chord is the same.
.. 2*x = 5*8
.. x = 20
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The picture is not drawn to scale. (They almost never are.)
Answer:
-40 bytes
Step-by-step explanation:
Where are the questions..

so, plus or minus? well, the angle is in the 1st quadrant, and on that quadrant, both cosine and sine are positive, so 4 = b
Answer:
D) I’m 100% sure it’s correct!
Step-by-step explanation: