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3: Geometry & Trigonometry
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2D & 3D Geometry

2D & 3D Geometry

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Timeline

RIGHT TRIANGLES

Area of triangle equals ½bh

00:50

Exercise

01:33

Pythagoras' Theorem

01:58

Exercise

03:31

Trigonometric Ratios

03:58

Exercise

06:00

Triangle Angles Sum to 180°

07:12

Exercise

07:25

Finding angles in right angled triangles

08:02

Finding side lengths from an angle

09:59

Exercise

11:06

NON RIGHT TRIANGLES

Area of non-right-angled triangles

13:27

Exercise

16:32

Sine rule

17:12

Exercise

20:05

Problem

21:27

Cosine rule

27:16

Exercise

30:17

Problem

31:37

Ambiguous Case of the Sine rule

36:18

Exercise

47:39

Problem

51:31

Angles of elevation & depression

1:02:40

Exercise

1:03:40

True bearings

1:05:06

Exercise

1:11:52

CIRCLES, ARC, RADIANS

Circumference & Area of a circle

1:13:09

Exercise

1:15:21

Exercise

1:15:59

Arcs and radians

1:18:33

Converting Between Radians & Degrees

1:20:15

Exercise

1:21:24

Arc length

1:22:07

Exercise

1:22:50

Sector area

1:23:25

Exercise

1:24:07

Problem

1:24:58

Problem

1:27:02

3D SOLIDS

Spheres

1:37:45

Exercise

1:39:01

Problem

1:39:32

Cylinders

1:43:22

Exercise

1:45:10

Volume of a prism

1:46:01

Exercise

1:47:24

Right cones

1:48:16

Exercise

1:51:23

Right Pyramid

1:53:00

Problem

1:56:41

Right TrianglesNon right trianglesCircles, arc, radians3D solids

The video will automatically pause when it reaches a problem.

Right TrianglesNon right trianglesCircles, arc, radians3D solids