Answer:
D. 36 inches
Step-by-step explanation:
36 inches
Area of a rectangle is length multiplied by the width.
So 12 times 3 is 36.
I answered that already.
Answer
What language is this I can help just tell me
x ≈ 6.71
a²+b²=c²
a=3, b=6, c=x
3²+6²=c²
9+36=c²
45=c²
c=√45
c≈6.71
