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Well, based from what I learned, the area of a triangles is found out using the formula:

Base x Height x 1/2

Example:

Problem:

1.) The base of a triangle is 5 and its height is 4. What is the area of the triangle?

Formula: B x H x 1/2

=5 x 4 x 1/2

=20 x 1/2

=20/2

=10 squared units

Note: The one that is placed is "squared units" because there is no unit given in the problem.

2.) The base of a triangle is 5 cm and its height is 4 cm. What is the area of the triangle?

Formula: B x H x 1/2

= 5 cm x 4 cm x 1/2

= 20 x 1/2

=

= 10

Note: Never forget the units! If you forget the unit, the rest is a mistake! Never forget it! The unit of area is squared unit/s!

Base x Height x 1/2

Example:

Problem:

1.) The base of a triangle is 5 and its height is 4. What is the area of the triangle?

Formula: B x H x 1/2

=5 x 4 x 1/2

=20 x 1/2

=20/2

=10 squared units

Note: The one that is placed is "squared units" because there is no unit given in the problem.

2.) The base of a triangle is 5 cm and its height is 4 cm. What is the area of the triangle?

Formula: B x H x 1/2

= 5 cm x 4 cm x 1/2

= 20 x 1/2

=

= 10

Note: Never forget the units! If you forget the unit, the rest is a mistake! Never forget it! The unit of area is squared unit/s!

Area Of A Triangle = Base x Height x 1/2 (or divide by 2)