Triangle Types

Front

1. Is this a right triangle or an oblique triangle?

Back

       Right triangle

Front

2. If one leg is 4 and the other is 3 , what is the hypotenuse?

Back

      5

Front

3.        If you want to determine the length of one side of this roof but there is no right angle, can you still solve it? What might you use?

Back

      Yes, we can use the law of sines or the law of cosines.

Front

4. Match the appropriate formula for each triangle.

Back

      Right Triangle – Pythagorean Theorem

Oblique Triangle – Law of Sines or Law of Cosines

Front

5. Suppose an airplane is flying from an airport toward Station 1, then changes toward Station2. How can we determine the total distance traveled or the angle between the two paths?

Back

       Since the triangle is not right triangle, we must use the law of sines or the law of cosines, depending on the given data.