Name: Area of a triangle from coordinates: solution walkthrough
Uploaded: 2026-11-13
Duration: 1 min 21 s
Description: In the standard (x, y) coordinate plane, a triangle has vertices (1, 2), (9, 2) and (4, 6). What is the area of… Try it, then watch the animated solution.

Problem 16 of 34geo-016

In the standard $(x, y)$ coordinate plane, a triangle has vertices $(1, 2)$ , $(9, 2)$ and $(4, 6)$ . What is the area of the triangle, in square units?

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Solution walkthrough1:21