Practice Test
Chapter
Chapter 8
Section
Practice Test
Solutions 9 Videos

Determine the indicated side length or angle measure in each triangle.

Q1a

Determine the indicated side length or angle measure in each triangle.

Q1b

In \triangle PQR, \angle P = 80^o, \angle Q = 48^o, and r = 20 cm. Solve \triangle PQR.

Q2

The radar screen of a Coast Guard rescue ship shows that two boats are in the area.

According to the range finder, one boat is 70 km away, in the direction N45°E. The other boat is 100 km away, in the direction 850°E. How far apart are the two boats?

Q4

An engineer wants to build a bridge over a river from point A to point B as shown in the diagram at the left. The distance from point B to point C is 515.0 m.

The engineer uses a transit to determine that \angle B is 72° and \angle C is 53°. Determine the length of the finished bridge.

Q5

A parallelogram has adjacent sides that are 11.0 cm and 15.0 cm long. The angle between these sides is 50°. Determine the length of the shorter diagonal.

Q6

Terry is designing a new triangular patio. The diagram at the right shows the dimensions of the patio. Calculate the area of the patio.

Q7

Points P and Q lie 240 m apart on opposite sides of a communications tower. The angles of elevation to the top of the tower from P and Q are 50° and 45°, respectively. Calculate the height of the tower.

Q8

In an acute triangle, two sides are 2.4 cm and 3.6 cm. One of the angles is 37°. How can you determine the third side in the triangle? Explain.