Exercise Answers: Module 20

Composite Figures

  1. 64\text{ ft}
  2. 189\text{ ft}^2
  3. 74\text{ m}
  4. 235\text{ m}^2
  5. Based on the stated measurements, the distance around the track will be 401 meters, which appears to be 1 meter too long. In real life, precision would be very important here, and you might ask for the measurements to be given to the nearest tenth of a meter.
  6. around 9,620\text{ m}^2
  7. around 21.5\% (Hint: Make up an easy number for the side of the square, like 2 or 10.)

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