Answer:
C. Sqrt(12^2+9^2)
Step-by-step explanation:
Pythagorean theorem is
x^2+y^2=z^2
So solving for z
z=sqrt(x^2+y^2)
z=sqrt(9^2+12^2)
Answer:
768
Step-by-step explanation:
First multiply by two
Then multiply by four
Answer: 16cm
Step-by-step explanation:
The radius is half of the diameter so you would have to double the radius.
X×2=10
X=10÷2
X=5
Proof: 5×2=10
