The mean to your question is 62.3
you need to add all of the numbers together and then divide by how many numbers are there to find the answer.
Part a: 32/60=8/15
part b: 30/60=1/2
Answer:
Denote O as center of circle, draw OA, OC.
As property of tangent line from outside of circle (angle OAD = angle OCD = 90 deg):
=> AOC + D = 180
Moreover, angle AOC = 2 x angle B = 2 x 65 = 130
=> D = 180 - 130 = 50 deg
Hope this helps!
:)
Answer: m = 0
Step-by-step explanation:
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