Answer:
arc ? = 255°
Step-by-step explanation:
arc DB = 180° - 75° = 105°
arc ? = 360° - 105° = 255°
a. 53.4
b. 24.4
a+j=77.8
j=a-29
-a+j=-29
2j=48.8
j=24.4
a+24.4=78.8
a=53.4
given the area of circle o6.
94+41=135.
180-135=45.
45+111=156
180-156=24
x=24.