Answer:
All side lengths are 11 because it is a square and all of the sides are equal. But I'm not sure about the angles
C) r^2 + 1 because any number squared (positive or negative) will be positive
Let a ault tickets and s student tickets be sold.
a+s=56
13a+8s=568
s=56-a
13a+8(56-a)=568
13a+448-8a=568
5a+448=568
5a=120
a=24
s=56-24=32
24 adult tickets and 32 student tickets are sold.
Answer:
Step-by-step explanation:
If the radius, r, is given, then the area of the circle is A = πr².
If the diameter, d, is given, then the circle area is A = π(d/2)², or A = πd² / 4.
