This geometry video tutorial explains how to find the area of a triangle using multiple formulas. It explains how to find the area of a ... ... <看更多>

Welcome to How to Find the Area of a Triangle with Mr. J! Need help with calculating the area of a triangle ? You're in the right place! ... <看更多>

In this lesson, you will learn how to find the area of a triangle and the area of a right triangle using the area of a triangle formula. ... <看更多>

This math video tutorial explains how to find the area of a scalene triangle using a simple equation and Heron's formula. ... <看更多>

Why is the formula for finding the area of a triangle 1/2 * base * height? Where does the 1/2 come from? This video explains the ... ... <看更多>

If your 3 points are A, B, C then you may use directly the (half) cross product formula : S=|AB×AC|2=|AB||AC||sin(θ)|2. that is (see the Wikipedia link to ... ... <看更多>