In the figure below, AC and BE are diameters of circle P.
What is the arc measure of DE in degrees?
P
(4w + 8)
2w +11)
(4w + 4

Step-by-step explanation:

step 1

Find the value of w

we know that

---> by supplementary angles (form a linear pair)

substitute the given values

step 2

Find the measure of angle EPD

we know that

----> by vertical angles

substitute

substitute the value of w

step 3

Find the measure of arc DE

we know that

----> by central angle

therefore

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step-by-step explanation: