Area of Triangles Flashcards

The area of a triangle is calculated using the formula: Area = 1/2 × base × height.

The base of a triangle is any one of its sides, usually the one perpendicular to the height.

The height of a triangle is the perpendicular distance from the base to the opposite vertex.

The area of a triangle is measured in square units, such as cm², m², etc.

To find the area, multiply the base by the height and divide by 2.

For an equilateral triangle, the height can be found using Pythagoras' Theorem or trigonometry before applying the area formula.

For a right-angled triangle, the two shorter sides can be used as the base and height directly.

If the vertices of a triangle are given as coordinates, the area can be calculated using a specific formula involving determinants.

To find the area of a triangle in a compound shape, identify the base and height within the shape and apply the formula.

In word problems, carefully identify the base and height from the context or diagram before applying the formula.