Fill in the blank

The radius of a circle is half of the diameter.

The radius of a circle is half of the diameter.

r=12d\mathbf{r = \frac{1}{2}d}𝗋=21​𝖽

1

half\mathbf{\textbf{half}}half

2

double\mathbf{\textbf{double}}double

Check

∣\duocursor∣

789()456×÷123+-0.%=