Your formula here is A=pir^2
Plug in the numbers but instead use 22/7 for pi
A=(22/7)(21)^2
A=22/7*441=1386
Answer is 1386 sq inches
Pink:
10 * 10 = 100
Blue:
10 * 4 = 40
Purple:
9 * 10 = 90
Green:
4 * 9 = 36
Add them all together.
100 + 90 + 40 + 36 = 266
Have an awesome day! :)
Formula for circumference= (2)(pi)(r) or (pi)(d)
diameter=2r=6ft
6ft*3.14=18.84
Answer:
5
Step-by-step explanation:
Answer:
(2x + 6)/3 = y
Step-by-step explanation:
2x + 5 = 3y - 1
2x + 5 + 1 = 3y
(2x +6)/3 = 3y
