trigonometry

You are attacking an enemy castle. Your strategy is to go over the castle wall. You are 1500 meters away from the bottom of the wall. You measure the angle of elevation to the top of the wall at 3^o. How tall is the enemy castle wall?

• 78.6 meters

• 1498.0 meters

• 78.5 meters

• 75.3 meters

You are on a ship at sea. You see a lighthouse in the distance. You know the lighthouse is 175 feet tall. You measure the angle of elevation to the top of the lighthouse at 5^o. How far are you from the bottom of the lighthouse?

• 2000.3 feet

• 2007.3 feet

• 1997.9 feet

• 2134.8 feet

Find the missing value.

Round to the nearest tenths.

• 50.1^o

• 39.9^o

• 32.7^o

• 51.6^o

Find the missing value.

Round to the nearest tenths.

• 5.9 lightyears

• 5.0 lightyears

• 7.1 lightyears

• 7.5 lightyears

Find the missing value.

Round to the nearest tenths.

• 50.6^o

• 29.4^o

• 34.8^o

• 50.1^o

Find the missing value.

Round to the nearest tenths.

• 36.6 in

• 43.7 in

• 47.8 in

• 37.4 in

Find the missing value.

Round to the nearest tenths.

• 33.9 mm

• 3.4 mm

• 10.5 mm

• 36.2 mm

Find the missing value.

Round to the nearest tenths.

• 52.1^o

• 37.9^o

• 52.1 cm

• 50.6 cm

What is the saying we use to remember the trig functions?

• SOH CAH TOA

• SAH COH TAO

• COH SAH TOA

• SOH COH TOH

 $\sin\theta=$  

•  $\frac{opposite}{hypotenuse}$  

•  $\frac{hypotenuse}{opposite}$  

•  $\frac{adjacent}{hypotenuse}$  

•  $\frac{opposite}{adjacent}$