Perimeter, Area, Conversion practice

Question 1

Convert 70 mm into cm

Answer 1

7 cm

Question 1

Find the sum of 7m + 35cm + 21mm in centimeters

Answer 1

737 cm

Question 2

Convert 1240 mm into m

Answer 2

1.24 m

Question 3

1250 mm into cm

Answer 3

35 cm

Question 4

A farmers fences a 400m x 350m rectangular field with a 4-strand wire fence. Each stand costs $38.20 per 100m. Find:
a) The perimeter of the field
b) The total length of wire required
c) the total cost of the wire

Answer 4

a) 1500 m
b) 6000 m
c) $2292

Question 5

Find the circumference of a circle with a radius of 9 m

Answer 5

~ 56.5 m

Question 6

Find the circumference of a circle with a diameter of 16

Answer 6

~ 50.3 cm

Question 7

Find the circumference of a circle with a radius of 6.8 km

Answer 7

~ 42.7 km

Question 8

Find the circumference of a cylindrical deodorant can with base diameter of 4 cm

Answer 8

~ 56.5 cm