How to find the area of the triangle formed by the points (5, 2),(-9, -3),(-3, -5).
Solutions:
The formula for finding the area of the triangle formed by
![\frac{1}{2}|[x_1(y_2-y_3)+x_2(y_3-y_1)+x_3(y_1-y_2)]|\,](https://lh3.googleusercontent.com/blogger_img_proxy/AEn0k_sW76kD7WXVAybNnxOF7MXjLI_xCdooFqkyncvTEh0pniWuy1q1-FHigF5J6NmgOCmKWOqaIvTuilWYNTy_3uxX9evfAp8UYiIGBnLU7shFaEDOFklu_A-0gjv96t-KqHTmwg0SlIko671Bdpd2PFxuWpujIkYeezL0vITl4Q=s0-d)
Applying the formula,we get
![\frac{1}{2}|[5(-3+5)-9(-5-2)-3(2+3)]|\,](https://lh3.googleusercontent.com/blogger_img_proxy/AEn0k_tvq_n-t_kX9bmp37dIPljL_n5VNeUDWjm5YGcv4JrTElsRyeWbWCEbjKtbMyVk7C98E1j27LaXebfiFTmGYLxXE3VAGEp_0jndk61PJdj4QPzgr8sPgf3Fo_b1Z_BWekVqjD-y4qrZs28jBsSlBmG9LHBqXyU-GPTVO7YUpA=s0-d)
Therefore, the area of the triangle is 29.
List of Similar Problems with Complete Solutions
- How to find the area of a polygon
- How to find distance between two points
- Examples Problems with Solutions in Geometry
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