Question

3. Find the
area of triangle whose coordinates are A (-4,-1) B (5,-1) and (2,5) using graph and verify using formula .
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Answer 1

Answer:

Given the coordinates of the three vertices of any triangle, the area of the triangle is given by:

A. x. ( B. y. − C. y. )

B. x. ( C. y. − A. y. )

C. x. ( A. y. − B. y. )

Step-by-step explanation:

To find the area of a triangle where you know the x and y coordinates of the three vertices, you'll need to use the coordinate geometry formula: area = the absolute value of Ax(By - Cy) + Bx(Cy - Ay) + Cx(Ay - By) divided by 2. Ax and Ay are the x and y coordinates for the vertex of A. The same applies for the x and y notations of the B and C vertices.