Trigonometry Ch. 8 Practice Test

Trigonometry Ch. 8 Practice Test Click the mouse after you try each question to see the correct answer.

Find the geometric mean. 10 and 50

Find the missing measures in reduced radical form. X = 6 x 5

Use the 45-45-90 pattern to solve for x and y in reduced radical form. x = 9 y = 9 x = y = 19 x y 9 y x

Use the 30-60-90 pattern to solve for x and y in reduced radical form. x = 15 y = 15 x = 5 y = 10 60 y 30 x x 30 y 15

Find the trig ratio from the picture provided in reduced fraction form and as a decimal to four decimal places. Cos A = .7143 Tan B = 1.0667 Sin A = .7619 A 21 15 C B 16

From an airplane, Janara looked down to see a city. If she looked down at an angle of 9 degrees and the airplane was half a mile above the ground, what was the horizontal distance to the city? 3.2 miles

A section of freeway has a steady incline of 10 degrees. If the horizontal from the beginning of the incline to the end is 5 miles, how high does the incline reach? .9 miles

Use law of sine to solve for all the missing pieces of the triangle. Round all measurements to the nearest tenth. a = 12.2 b = 10.9 ∠B = 48 ∠A = 54.9 ∠C = 77.1 c = 14.3

Use law of cosine to solve for all the missing parts of the triangle. Round all measurements to the nearest whole. a = 19 b = 23.2 c = 21 ∠A = 51 ∠B = 72 ∠C = 57

Trigonometry Ch. 8 Practice Test