IB Trig Bearings

What are Bearings in maths?

• A bearing is an angle, measured clockwise from the north direction.

• A bearing is an angle, measured counter - clockwise from the north direction.

• A bearing is an angle, measured clockwise from the east direction.

• A bearing is an angle, measured counter - clockwise from the east direction.

• Any normal angle

How do you measure a bearing?

• Mark North and use a protractor

• Mark East and use a protractor

• Mark North. Using a pair of compass, make a perpendicular bisector measuring 90 degrees. Make any two random bisectors and the point where they meet is the measure.

• Mark East. Using a pair of compass, make a perpendicular bisector measuring 90 degrees. Make any two random bisectors and the point where they meet is the measure.

What is the measure of the angle with a Bearing of 45 degrees?

• 315 degrees counter - clockwise

• 45 degrees clockwise

• 135 degrees clockwise

• 45 degrees counter - clockwise

Bearings are measured from North, Clockwise, using 3 digits

• True
• Flase

What is
the correct bearing?

• 30
• 330
• 030
• 60

Write the bearings of A from O

• 125

• 055

• 035

• 305

Choose the correct true bearing

• 75

• 255

• 195

• 075

Choose the correct true bearing

• 62

• 062

• 332

• 152

what is the true bearing of A from B

• 50

• 050

• 140

• 320

What is the correct notation of a Bearing measuring Fifty degrees

• 050 degrees

• 50 degrees clockwise

• 50 degrees

• 5.0 into 10 raised to 1 degrees

• 050 degrees clockwise