Q: Pre-AP Geo: GF CA Trigonometry "E" Test

Missing angle: Finding the value of the variable . Round to the nearest degree.

While at an Australian zoo, a kid spots Forest the tallest giraffe. Using the dimensions shown in the figure, how tall is Forest? Round to 1 decimal place.

If chord BC is 63 cm, what is the length of the diameter of the circle? (Round your answer to 1 decimal place.)

What is the height of the tree from the ground to the top? (Round your answer to 1 decimal place.)

What is the length of GI? (Round your answer to 1 decimal place.)

Which equation is correct for solving the variable?

• tan 12º = 40/x

• sin 12º = 40/x

• cos 12º = 40/x

• sin 12º = x/40

• cos 12º = x/40

Find the value of d. Round to 1 decimal place.

(a)  

• 102.6
• 254.0
• 110.7
• 731.4
• 295.5

Complete the equation:

cos xº = ​ (a)  

• 60/61
• 11/60
• 11/61
• 61/11
• 61/60

Complete the equation:

sin xº = ​ (a)  

• 12/13
• 5/12
• 5/13
• 13/5
• 13/12

Typing it in the Calculator: Which equation is the correct way the to find the value of the variable?

• y = 76 tan 39
• y = 76 sin 39
• y = 76 cos 39
• y = 76 / sin 39
• y = 76 / cos 39