4*8
=24
24/2
=12
Perimeter is 12 units
Answer:
C. 
Step-by-step explanation:
Since 40% of the students prefer chocolate ice cream, 60% don't prefer chocolate ice cream. Use this proportion set equal to 25 to find the number of students who prefer vanilla ice cream, instead of chocolate ice cream.
Answer:-523/52
Step-by-step explanation:
Answer: x= 29°
Step-by-step explanation: Add angles D and C. Subtract from 180.
58/2 = 29