Ajar contains "x" black and "y" white balls. What is the probability that a random draw is black?
2 answers:
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<u>Given:</u>
The radius of the circle XY is XY = 11.4 in
The length of ZY is 15.2 in
The length of XZ is 19.6 in
We need to determine whether YZ is a tangent to the circle X.
<u>Is YZ tangent to the circle X:</u>
We shall determine whether YZ is a tangent to the circle X by using the Pythagorean theorem.
Thus, we have;
Substituting the values, we have;
Simplifying, we get;
Since, both sides of the equation are not equal, thus, YZ is not a tangent to the circle X.