1. At 4 pm, a tree casts a shadow of 30 meters opposite a 30 degrees angle. How tall is the tree? *

A. 17.33 meters
B. 25.98 meters
C. 17.32 meters
D. 25.99 meters

This is a required question
2. A building is 102 meters high. How long should a guy wire be if it is to be attached to the tower 12 meters from the top of the building and is make an angle of 36 degrees 52 minutes with the ground? *

A. 170.01 meters
B. 170.02 meters
C. 171.01 meters
D. 171.02 meters
3. A helicopter takes off from an airport at an angle of 10 degrees 40 minutes. How high will it reach after it has flown a horizontal distance of 1800 meters? *

A. 339.02 meters
B. 340 meters
C. 339.03 meters
D. 339.03 meters
4. One of the cables that holds to strengthen a pole is 90 feet long and is anchored into the ground 16 feet from the base of the pole. Find the measure of the angle that the cable makes with the ground. *

A. 79 degrees
B. 78 degrees
C. 80 degrees
D. 90 degrees
5. A kite makes an angle of 50° with the ground. If string of the kite is 200m, find the approximate height of the kite? *

A. 153.22 meters
B. 153.21 meters
C. 278.70 meters
D. 153.20 meters​