Question

Cimfused om premiter

Answer 1

the Diameter of circle is

D = 2r, where r = radius, and D = diameter = 7, then

`\begin{gathered} D=2r \\ 7=2r \\ (7)/(2)=(2)/(2)r \\ r=(7)/(2)=3.5 \end{gathered}`

answer: radius is 3.5 cm