What is the area of a triangle that has a base of 5 feet and a height of 12 feet

Hey there!

When we do the area of a triangle, we use the formula:

A = bh/2

With b as the base and h as the hight.

We'll get to why this formula works in a minute. If we plug in our given values into this formula, we get:

A = (5)(12)/2
A = 60/2
A = 30 feet squared

The reason why this formula works is simple. When you think of a triangle, do you ever think of it as half a rectangle? When we do the area of a rectangle, we sort of do base times height- we just do length times width. We find the area of the triangle as if it's a rectangle, and just divide it by 2 because it's half of a rectangle.

Hope this helps!

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Step-by-step explanation: a math teacher