Answer:
a) 325.72
Step-by-step explanation:
A=4pir^2
A=4x3,14x7.2x7.2
a=651.44
1/2a=1/2x651.44
=325.72
Step-by-step explanation:
= √2x × √8x³
= √(2.8x^4)
= √16x^4
= 4x²
No it is not because 15 out of 30 is half but 12 out of 20 is more than half
Answer:
135446368
Step-by-step explanation:
