Chapter Test

Solve ΔABC, if possible.

  1. 1. a=18 ft,B=54°, C=43°

  2. 2. b=8 m, c=5 m, C=36°

  3. 3. a=16.1 in., b=9.8 in., c=11.2 in.

  4. 4. Find the area of ΔABC if C=106.4°, a=7 cm, and b=13 cm.

  5. 5. Distance Across a Lake. Points A and B are on opposite sides of a lake. Point C is 52 m from A. The measure of BAC is determined to be 108°, and the measure of ACB is determined to be 44°. What is the distance from A to B?

  6. 6. Location of Airplanes. Two airplanes leave an airport at the same time. The first flies 210 km/h in a direction of 290°. The second flies 180 km/h in a direction of 185°. After 3 hr, how far apart are the planes?

  7. 7. Graph:-4+i.

  8. 8. Find the absolute value of 2-3i.

  9. 9. Find trigonometric notation for 3-3i.

  10. 10. Divide ...

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