The arc measure of AD in degrees is 43 degrees.
<u>Step-by-step explanation</u>:
⇒ (7x+1)° + 90° + (9x-7)° = 180°
⇒ 16x + 84° = 180°
⇒ 16x = 96°
⇒ x = 96/16
x = 6
Substitute x=6 for angle ∠APD = (7x+1)°
∠APD = 7(6)+1 = 43°
The arc measure of AD in degrees = 43 degrees.
Answer:
Step-by-step explanation:
17
CE = 21.2
CE = CD + DE = 14 + 7.2 = 21.2
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