Trig
Slide 1. Round to one decimal place
4.1cm
The angle of elevation of the top of a flagpole from a point 20m from its base is 32°. Find the height of the pole. Provide to one decimal place.
12.5m
A plane flies 120 km on a bearing of S 25° E. Determine how far east the plane is from the starting point.
50.71 km
Slide 6. Round to one decimal place.
6.7m
Slide 11
45cm^2
Slide 2. Round to nearest degree
67 degrees
Julia observes a car approaching on the desert plain from her position on top of a 30m cliff. The angle of depression of the car at that instant is 47°. How far from the base of the cliff is the car?
28m
A hiker moves 85 km on a bearing of N 25° E. Determine how far north the hiker is from the starting point
77.04 km
Slide 7
60 degrees
Slide 12. Round to nearest whole number
28 m^2
Slide 3. Round to nearest degree
5 degrees
Ann is on top of a building and observes a man on top of a taller building nearby at an angle of elevation of 16°. If her building is 52m high and the other is 91m tall, how far in a direct line is Ann from the man? Provide to one decimal place.
141.5m
A cyclist travels 60 km on a bearing of S 45° W. Determine how far south the cyclist is from the starting point.
42.43 km
Slide 8. Round to nearest whole number.
30cm
Slide 13. Round to one decimal place.
72.0 cm^2
Slide 4. Round to one decimal place
4.7cm
A slide has an angle of depression of 58°. If the slide is 12.3m long, find the horizontal distance that the slide reaches. Provide to one decimal place.
6.5m
A car drives 200 km on a bearing of N 60° W. Determine how far west the car is from the starting point.
173.21 km
Slide 9. Round to nearest degree
9 degrees
Slide 14. Round to two decimal places.
28.61 cm^2
Slide 5. Round to one decimal place.
2.7cm
From a point on the ground 12m from the base of a flagpole, the angle of elevation of the top of the pole measures 53°. How tall is the flagpole? Provide to one decimal place.
15.9m
A ship sails 150 km on a bearing of S 10° E. Determine how far east the ship is from the starting point.
26.05 km
Slide 10. Round to nearest whole number
29cm
Slide 15. Round to nearest whole number
8cm