1 2 3 4 5 6 7 8 9 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 question? alternative beta version...

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1 2 3 4 5 6 7 8 9 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 Question? Alternative Alternative Alternative Alternative Beta version Trigonometry Part 3

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Page 1: 1 2 3 4 5 6 7 8 9 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1   Question? Alternative Beta version Trigonometry Part 3

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Question?

Alternative

Alternative

Alternative

Alternative

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Trigonometry Part 3

Page 2: 1 2 3 4 5 6 7 8 9 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1   Question? Alternative Beta version Trigonometry Part 3

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What is the missing angle?

40 °

50 °

60 °

70 °

Page 3: 1 2 3 4 5 6 7 8 9 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1   Question? Alternative Beta version Trigonometry Part 3

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What is the missing angle?

100°

110°

120 °

130 °

Page 4: 1 2 3 4 5 6 7 8 9 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1   Question? Alternative Beta version Trigonometry Part 3

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What is the missing angle?

55°

75°

100 °

125 °

Page 5: 1 2 3 4 5 6 7 8 9 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1   Question? Alternative Beta version Trigonometry Part 3

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What is the missing angle?

40°

100°

140 °

180 °

Page 6: 1 2 3 4 5 6 7 8 9 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1   Question? Alternative Beta version Trigonometry Part 3

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BONUS ROUND!

Just pick the lucky colour

RED

GREEN

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YELLOW

Page 7: 1 2 3 4 5 6 7 8 9 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1   Question? Alternative Beta version Trigonometry Part 3

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What have you found out about

angles in a triangle?

Use what you know in your group to

work out the answer.

You can do any working out in your maths book.

Page 8: 1 2 3 4 5 6 7 8 9 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1   Question? Alternative Beta version Trigonometry Part 3

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Work out the value of angle x.

80°

100°

90°

110°

Page 9: 1 2 3 4 5 6 7 8 9 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1   Question? Alternative Beta version Trigonometry Part 3

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Work out the value of angle x.

50°

77°

53°

80°

Page 10: 1 2 3 4 5 6 7 8 9 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1   Question? Alternative Beta version Trigonometry Part 3

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Work out the value of angle x.

40°

80°

60°

90°

Page 11: 1 2 3 4 5 6 7 8 9 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1   Question? Alternative Beta version Trigonometry Part 3

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BONUS ROUND!

Just pick the lucky colour

RED

GREEN

BLUE

YELLOW

Page 12: 1 2 3 4 5 6 7 8 9 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1   Question? Alternative Beta version Trigonometry Part 3

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The next question could win MASSIVE points for the

group with the lucky number.

Page 13: 1 2 3 4 5 6 7 8 9 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1   Question? Alternative Beta version Trigonometry Part 3

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What type of triangle is this?

Equilateral

Isosceles

Scalene

Right-Angled

Page 14: 1 2 3 4 5 6 7 8 9 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1   Question? Alternative Beta version Trigonometry Part 3

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What is the value of angle x?.

140°

40°

100°

20°

Page 15: 1 2 3 4 5 6 7 8 9 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1   Question? Alternative Beta version Trigonometry Part 3

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What is the value of angle x?.

30°

140°

70°

180°

Page 16: 1 2 3 4 5 6 7 8 9 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1   Question? Alternative Beta version Trigonometry Part 3

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What is the value of angle x?.

40°

120°

60°

180°

Page 17: 1 2 3 4 5 6 7 8 9 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1   Question? Alternative Beta version Trigonometry Part 3

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BONUS ROUND!

Just pick the lucky colour

RED

GREEN

BLUE

YELLOW

Page 18: 1 2 3 4 5 6 7 8 9 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1   Question? Alternative Beta version Trigonometry Part 3

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BONUS ROUND!

Just pick the lucky colour

RED

GREEN

BLUE

YELLOW

Write down any angle facts that you have learnt over the last

three lessons.

Page 19: 1 2 3 4 5 6 7 8 9 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1   Question? Alternative Beta version Trigonometry Part 3

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Now use what you have

learnt to solve the following

problems.

You will need to think carefully about which fact or facts to use.

Page 20: 1 2 3 4 5 6 7 8 9 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1   Question? Alternative Beta version Trigonometry Part 3

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What is the size of angle x?

50 °

60 °

70 °

80 °

Page 21: 1 2 3 4 5 6 7 8 9 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1   Question? Alternative Beta version Trigonometry Part 3

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What is the size of angle x?

50°

80 °

100 °

150 °

Page 22: 1 2 3 4 5 6 7 8 9 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1   Question? Alternative Beta version Trigonometry Part 3

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What is the size of angle x?

40 °

55 °

95°

105°

Page 23: 1 2 3 4 5 6 7 8 9 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1   Question? Alternative Beta version Trigonometry Part 3

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BONUS ROUND!

Just pick the lucky colour

RED

GREEN

BLUE

YELLOW

Page 24: 1 2 3 4 5 6 7 8 9 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1   Question? Alternative Beta version Trigonometry Part 3

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CONGRATULATIONS!!!

to the winners.

Commiserations to the rest of you –

better luck next time!