Unit 3 Homework
Use Dimensional Analysis or Metric conversions from the module videos to convert the following problems. You must show all work! Use the Conversion Factor Table provided in the unit.
1.) 7.35 km = _______ mm
2.) 13.5 ft
2
= _______ yd
2
Answer: 7,350,000 mm
Answer: 1.5yd
3.) 248 meters per second = _______ miles per hour. Round to the nearest hundredth. (Be sure to use the following conversions: 1 mi = 1.61 km)
Answer: 554.53mph
4.) A cargo container is 25 ft long, 10 ft tall, and 12 ft wide. Find its volume in cubic yards. Round to the nearest hundredth.
Answer: 111.11yd3
Answer: ________yd
3
5.) Find the perimeter and area of a triangle with a base of 9 cm, height of 9.3 cm, and sides of 12 cm and 19 cm. Round to the nearest hundredth when necessary.
Answer: Perimeter 40 cm Area 41.85 cm2
Perimeter: _________cm
Area: _________cm
2
6.) Find the radius of a circle with a circumference of 36
π
inches.
Answer: 18 inches
