EXERCISES 1. Measure the angle between the top and the bottom of a tree or telephone pole (measurement of an angle in the verticle plane). See Figure 5.
	2. Measure the angle between the bottoms of two trees or telephone poles (measurement of an angle in the horizontal plane.). See Figure 6.
3. Measure the angle between the top of one tree or telephone pole and the bottom of another (measurement of an angle in a slanted plane.) See Figure 7.
	4. Measure the angle between two prominent stars in the sky (angles can be measured in any plane). See Figure 8.
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