Answer: 452.39m²
Step-by-step explanation:A=4πr2=4·π·62≈452.39m²
Answer:
for cd it's 12 I believe fs
Answer:
a. 
b. 
Step-by-step explanation:
a.


Where, 


Where, 

Volume of the shaded figure = 
b.
expressed in factored form:
Look for the term that is common to 9a³ and 9ab², then take outside the parenthesis.
