The points A, B, and C have co-ordinates (-4, 2), (7, 4) and (-3,-1). What is the area of the triangle ABC?
1 Answer
Explanation:
Given : Three point A (-4, 2), B (7,4), C (-3, -1)
To find the area of the triangle.
Let's first find the three sides a, b, c and s, the semi perimeter of the triangle.
Similarly,
It's an isosceles triangle with sides a & c equal.
We will use the formula
Semi perimeter of the triangle