L7/8 Teacher's Notes Topic: SSM - Pythag, sim triangles Pythagoras (a) Use Pythagoras' theorem to...

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L7/ 8 Teacher's Notes Topic: SSM - Pythag, sim triangles Pythagoras (a) Use Pythagoras' theorem to explain why triangle A must be right-angled. (b) Triangle A is enlarged to make triangle B. Use similar triangles to show that d = 9.2cm How many ways can you do this? (c) The diagram shows the Earth and two other planets. Planet P is 6.9 x 10 7 km from Earth. Planet Q is 9.2 x 10 7 km from Earth. How far is Planet P from Planet Q ? Give your answer in standard form.

Transcript of L7/8 Teacher's Notes Topic: SSM - Pythag, sim triangles Pythagoras (a) Use Pythagoras' theorem to...

Page 1: L7/8 Teacher's Notes Topic: SSM - Pythag, sim triangles Pythagoras (a) Use Pythagoras' theorem to explain why triangle A must be right-angled. (b) Triangle.

L7/8

Teacher's Notes Topic: SSM - Pythag, sim triangles

Pythagoras(a) Use Pythagoras' theorem to explain why triangle A must be right-

angled.

(b) Triangle A is enlarged to make triangle B.Use similar triangles to show

that d = 9.2cm

How many ways can you do this?

(c) The diagram shows the Earth and two other planets.Planet P is 6.9 x 107 km from

Earth.Planet Q is 9.2 x 107 km from Earth.

How far is Planet P from Planet Q ?Give your answer in standard form.

Page 2: L7/8 Teacher's Notes Topic: SSM - Pythag, sim triangles Pythagoras (a) Use Pythagoras' theorem to explain why triangle A must be right-angled. (b) Triangle.

Pythagoras(a) Use Pythagoras' theorem to explain why triangle A must be right-

angled.

Page 3: L7/8 Teacher's Notes Topic: SSM - Pythag, sim triangles Pythagoras (a) Use Pythagoras' theorem to explain why triangle A must be right-angled. (b) Triangle.

(b) Triangle A is enlarged to make triangle B.

Use similar triangles to show that d = 9.2cm

Page 4: L7/8 Teacher's Notes Topic: SSM - Pythag, sim triangles Pythagoras (a) Use Pythagoras' theorem to explain why triangle A must be right-angled. (b) Triangle.

(c) The diagram shows the Earth and two other planets.

Planet P is 6.9 x 107 km from Earth.Planet Q is 9.2 x 107 km from Earth.

How far is Planet P from Planet Q ?

Give your answer in standard form.


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