Answer: Coin B And Coin C
Step-by-step explanation:
First:The area of a circle is πr squared. Not r2
Second. The area of the circle HAS to be irrational because π is an irrational number. The answer would be, if solved for a circle with the radius of 0.75, the area would be 0.5625π, which is irrational.
Answer:6x*4
Step-by-step explanation:
(12-6)x(16-12)
6x*4
Answer:
for the number 13
Step-by-step explanation:

by Pythagoras theorem
x= √81+36
x= √117
punch square root of 117 with a calculator, I don't have one now
1,234
One thousand
Two hundred
Thirty four