Sheet # 336 Area/Circumference

Name_________________________Date:_____________

Show your work.

1) The radius of the tree is 3 feet. What is the circumference of the circle?








2) The city decided to put a circular fence around its 20 m radius circular wading pool. The fence is to be built 5 m from the edge of the pool. How many meters of fencing have to be erected?









3) Dan wants to present his mother with a round picture. The radius of the picture is 12 cm. He wants the picture to have a 3 cm wide frame around it so that it can be hung in their home. What will be the area of the piece of glass he will need to cover the picture?










































Answers for sheet # 336

1) r = 3 feet

c = 18.84 feet


2) r = 20 + 5 = 25
c = 2 x 3.14 x 25 = 157 m


3) r = 12 cm
a = 452.16 sq cm