Year 1 Lesson 19 In-class Exercise

Name ________________________

1). Find the circumference of circles with the following:

a). DIAMETER (D) = 5 inches.

C = ________

 b). DIAMETER (D) = 4 feet..

C = ________

c). DIAMETER (D) = 12 inches.

C = ________

 d). DIAMETER (D) = 20 cm.

C = ________

e). RADIUS(R) = 15 feet

C = ________

 f). RADIUS(R) = 10 m..

C = ________

g). RADIUS(R) = 100 inches

C = ________
2). Find the circumference of these circles:
a).

C = __________

 b). Find the circumference

C = __________

c). Find the circumference

C = __________

 d).

C = __________