Answer:
m1=43
Step-by-step explanation:
78-35=43
Sorry, I wish I could help, but I haven't learned this yet
;-;
Answer: The answer is A and D
Answer:
70 degrees
Step-by-step explanation:
Measure of arc ABC is 128 degrees, so measure of arc BC is 128-90 = 38 degrees.
Meausure of arc BCD is 102 + 38 = 140 degrees, so measure of angle A is 140/2 = 70 degrees