Step-by-step explanation:
step 1. the area of a circle is A. A = (pi)r^2.
step 2. if the diameter is 8 cm then the radius is 4 cm.
step 3. A = (pi)4^2
step 4. A = 16(pi) = 50.24 cm.
Answer:11.25 is the answer
Step-by-step explanation:
Answer:
yes she can
Step-by-step explanation:
Answer:
6×4-3=21
Step-by-step explanation:
you replace the j by 4 so you multiply the 6 by 4 and then proceed to subtract three getting 21
Answer:
a
Step-by-step explanation:
multiply the radius of 3 by 3 to get 9, and multiply the height of 4 to get 12. the radius of cylinder a = 9 and the height of a = 12 therefore if you fill cylinder b up 3 times you will fill up a.