2TTO §8.1 Area June22

8.1 Aria triangles

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8.1 Aria triangles

Slide 1 - Diapositive

Area of triangles

Make exercise 1 from §8.1

timer

4:00

Slide 2 - Diapositive

video MW or Wiskundeacademie

Slide 3 - Diapositive

Area of a triangle

The area of a triangle can be calculated with the formula:

This can be shortened to:

Slide 4 - Diapositive

Area of triangles

timer

4:00

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Area of triangles

Slide 6 - Diapositive

Base and height of a triangle

The base is one side of a triangle.

The height is the distance from the base to the opposite vertex.

The height is perpendicular to the base.

In a triangle there are 3 base/height combinations.

Slide 7 - Diapositive

Base and height of a triangle

The height of a triangle can also be outside the triangle, perpendicular to the line through the base.

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Area of a triangle

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Make and correct §8.1

Slide 10 - Diapositive

Photo HW

Slide 11 - Question ouverte

Slide 12 - Diapositive

2TTO §8.1 Area June22

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Plus de leçons comme celle-ci

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12 E + 12 F Area of a triangle and parallelogram

Triangle theorems

Area and the box method

Area and the box method

§2.5 The Area of a Triangle

2Tvwo §8.3 Trapezium