Answer:
The measure of minor arc AD is 43°
Step-by-step explanation:
angle APD + angle BPC=90°
7x+1+9x-7=90
16x-6=90
16x=96
x=6°
Substitute x for angle APD
7(6)+1=43°
Minor arc AD is equal to angle APD, so
the measure of minor arc AD is 43°
