Answer:
422.4cm²
Step-by-step explanation:
area of circle is pi x 12² which is 144 pi
144pi subtract 30 is 422.4
Answer:
4
Step-by-step explanation:
6*(8*2)^2/(6*8^2)=2^2=4
You multiply the number by itself however many times it says for example 2 to the second power 2x2 is 4
Answer:
Answer:
1632 cm³
Step-by-step explanation:
½(12×8)×34
= 1632
Step-by-step explanation:
Answer:
Step-by-step explanation:
15. 
16. 

=> The clause is correct
17. Do the same (16)
18. 
19.

=> The clause is correct
20. Do the same (18)
21. Left = 
Right = 
Same with (16) => Left = Right => The clause is correct
22. Do the same (21)
Too long, i'm so lazy :))))