pcastaneda03
02.03.2020 •
Mathematics
In the figure, AB is a diameter of circle P. What is the arc measure of AD in degrees?
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Ответ:
The arc measure of AD in degrees is 43 degrees.
Step-by-step explanation:
The angle measure of the straight line is 180°.∠APD + ∠DPC + ∠CPB = 180°⇒ (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.
Ответ:
Number 7 answer is 25.2 and 8 is 23 and 9 is 23