2010 · Q74
A wire of length 36 cm is bent in the form of a semicircle. What is the radius of the semicircle?
Elementary MathematicsMensuration
- A9 cm
- B8 cm
- C7 cm
- D6 cm
Explanation
r(π+2)=36 with π=22/7 gives r=7 cm.
A wire of length 36 cm is bent in the form of a semicircle. What is the radius of the semicircle?
Explanation
r(π+2)=36 with π=22/7 gives r=7 cm.