Angle Relationships Answers

Use a calculator to find the approximate value of the expression. Round the answer to two decimal places.

Use a calculator to find the approximate value of the expression. Round the answer to two decimal places.

A spruce tree is approximately the shape of a cone with a slant height of 20 ft. The angle formed by the tree with the ground measures 72º. Estimate the height of the tree. Round to the nearest foot.

Solve for x. Round your answer to the nearest thousandth.

Which of the following statements is true?

Use a calculator to find the approximate value of the expression. Round the answer to two decimal places.

Which of the following expressions is equal to the height, h, of this triangle?

You are sailing from your lakeshore cabin to a marina 60º north of east and 0.5 miles across the lake. On your return trip, you decide to sail directly south and then west to get back to your cabin. Which of the following expressions uses the complementary angle of 60° to determine how far you would travel on your trip west?

When are two angles called complements of one another?

In right triangle ABC, when angles A and B add up to 90 degrees, what is the cosine of B equal to?