KIWI

1/2 x base x height?

This is because area of triangle will ALWAYS be **half **of the area of a **RECTANGLE** or **Square**!

How do we determine the base and height of a triangle?

So, which base do we take to calculate the area of triangle?

Well .... that depends on which measurement of the side of the triangle is given! ;p If all measurements of the sides are given, then we need to see which perpendicular height of the base is given!!!

The height of the triangle must meet

Most student only knows one of them, i.e. the

So, have you figure out what is the **next condition** for the height of the triangle?

YES!!! The**perpendicular height** extends from the vertex opposite the base to meet the actual base or extended at a 90° angle (See Pic. 2)! So, the answer is H3 is the height of the triangle!

YES!!! The

1) Area of triangle will ALWAYS be **half **of the area of a **RECTANGLE** or **Square ****-> 1/2 x base (b) x height (h)**!

2) Any side of the triangle can be the base!

3) The height of the triangle must meet**2 conditions:**

**- the ****height must be perpendicular to the base**

- the perpendicular height extends from the **vertex opposite the base** to meet the actual base or extended base at a 90° angle.

2) Any side of the triangle can be the base!

3) The height of the triangle must meet

- the perpendicular height

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