Answer:
Step-by-step explanation:
Area of semi circle is =pie × r^2 /2
And d=2r or r =d/2
So r =19/2
Thus area of semi circle is = 3.142×19×19/2×2×2 = =141.78 sq.cm
Answer:
Step-by-step explanation:
Area of circle is A= pi *r ^2=283.38
while area of semi cirlce is half of total 283.385/2= 141.69
