If a semi circle has a diameter of 4cm then what is the perimeter?
2 Answers
Jul 1, 2018
Explanation:
"perimeter "=1/2pid+4
"that is the semi circle plus diameter"
"color(white)(xxxxxx)=(1/2xxpixx4)+4
color(white)(xxxxxx)=2pi+4~~10.283" cm to 3 dec. places"
Jul 1, 2018
Explanation:
Substitute in ii,
Substitute in i,