Area=pi times radius^2 so
if area=4pi=pi times r^2
4 times pi=r^2 times pi
divide both sdies by pi
4=r^2
square root
2=radius since legnth cannot be negative
radius=1/2 diamters
2 radius=diameter
2(2)=diameter=4
diameter=4
Answer:
5.24
Step-by-step explanation:
33.012/6.3=5.24
1 meter = 100 centimeters
So the curtain rod is 200 cm
Answer:
kinda hard ,
Step-by-step explanation:
Answer:
0.0660 = 6.60 x 10-2
Step-by-step explanation: