Applications of Solving Right Triangles

Solve for x. Round to the nearest tenth.

• 74.9

• 3.6

• 63.5

• 54.1

Solve for x. Round to the nearest tenth.

• 19.0

• 20.0

• 21.0

• 20.5

Solve for x. Round to the nearest tenth.

• 11.1

• 9.3

• 13.0

• 5.5

Solve for x. Round to the nearest tenth.

• 40.7

• 44.6

• 48.8

• 8.9

Elizabeth is flying a kite, which gets caught in the top of a tree. Use the diagram to estimate the height of the tree.

• 63.6 ft

• 1.59 ft

• 74.2 ft

• 86.9 ft

Elizabeth is flying a kite, which gets caught in the top of a tree. Use the diagram to estimate the height of the tree. HINT: USE SIN, COS OR TAN TO ANSWER THIS QUESTION BASED OFF OF THE ANGLE YOU ARE GIVEN IN RELATION TO THE SIDES OF THE TRIANGLE THAT YOU ARE GIVEN.

• 63.6 ft

• 1.59 ft

• 74.2 ft

• 86.9 ft

1. Right triangle ABC is shown. 

Select all expressions which are equal to the length of side BC .

• 25 metres

• 50 metres

• 28.87 metres

• 43.3 metres

When the angle of elevation of the sun is 78 degrees, an statue casts a shadow that is 6m long. What trig function would you use to determine how the top of the statue is from the end of its shadow?

• Sine

• Cosine

• Tangent

• Cotangent

• Cocosine

Right triangle ABC is shown. Select all expressions which are equal to the length of side BC.