Answer:
he would need 11 quarters.
Step-by-step explanation:
you already have 3 dimes which is $0.30 and 11 quarters is $2.75.
3
Arc length = radius × angle
s = r θ
60 cm = 20 cm × θ
θ = 3 radians
The formula for the circumference of a circle = 2 x radius x pi
The radius is given as 21 cm and pi = 3.142
Circumference = 2 x 21 x 3.142 = 131.964 cm
w =
13
x =
11
y =
5
z =
12