Math 3 Test - Unit 8 Trigonometry

Find Cos(A) as a decimal rounded the the nearest ten-thousandth.

Find Sin(X) as a decimal rounded the the nearest ten-thousandth.

Find the value of x

• 37.742

• 10.598

• 23.584

• 12.497

• 29.237

• 14.184

• 11.082

• 14.063

Find the value of x, round to the nearest thousandth.

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

What side is OPPOSITE of angle C?

• 7

• 25

• 24

Answer explanation

FIND THE ADJACENT SIDE FIRST

Find the measure of the indicated angle.  

A 16 foot ladder leans against a building.  If the angle the ladder makes with the ground is 68°, how high up the building does the ladder reach?

• 39.6
• 6.0
• 14.8
• 13.6