check the picture below.
the line QS is just a flat-line and therefore it has 180° on either side, so the angle QPR is 57°, as you see there, and since we know the diameter is 20, that simply means the radius of the circle is 10.

Answer: z=29 x=119 y=61
Step-by-step explanation:
A ray is 180 degrees and you can go from there. Hope this helps!
Answer:
27 you take from the lowest then highest and then add the two left over together and divide by two for their mean.
3.06% Next time just google it my guy. (longer number 3.06499205451137%)
Answer:
true
Step-by-step explanation: