Answer:
arc = 7 pi
Step-by-step explanation:
The length of the arc is circumference
C = 2 * pi *r
C = 2 * pi *4
C = 8 pi
A circle is 360 degrees. The arc is 315 degrees
The arc is 315/360 of the circle, that is 7/8 of the circle, so it will be 7/8 of the circumference
7/8C = 7/8 (8pi)
arc = 7 pi
Answer:
a)There are genders,males and females,so at least(9/2=5) representatives of each gender.
b) If the less than 3 male students then there are more than 6 female students and if the class has less than seven female students than there are more than 2 male students.
Answer:
C
Step-by-step explanation:
A. First two rectangles are dilations because

B. Second two rectangles are dilations because

C. Third two rectangles are not dilations because

D. Fourth two rectangles are dilations because
