Answer:
20 sides.
Step-by-step explanation:
The exterior angle = 180 - 162 = 18 degrees.
Since the sum of the exterior angles = 360 degrees the number of sides
= 360 / 18
= 20 sides.
60/48
Both can be reduced by 12 to 5/4
So you can have 12 groups with 5 6th graders and 4 7th graders
Answer:
A: 2x-5
B: -9(x+1)
Step-by-step explanation:
It is a right triangle. If it contains the 90°, it is definitely a right triangle.
Answer:
5
Step-by-step explanation:
