Answer:
Step-by-step explanation:
The answer is 26
The answer is 6 because 21+9=30 and 30-6=24 and 24 is the number of students in the class.
Answer:
90°
Step-by-step explanation:
EG is a straight line
EG = EHD + DHG
DHG is a 90 degree angle
180 = EHD +90
Subtract 90 from each side
180-90= EHD +90-90
90 = EHD
The arc has the same measure as the angle since it is from the center
arc ED = 90