Find the measurement of arc ab

45°
60°
90°
180°

the triangle shown in the middle is a 45-90-45 degree triangle ( the orange lines on the legs mean legs are equal)

 so if you were to mirror it there would be 90 degrees between A & B

 answer is 90 degrees

70

step-by-step explanation:

2*5=10

4*15=60

60+10=

70

the answer is stop cheating on things stoopid

step-by-step explanation:

im eatin up the 44