Triangle Area Calculator

Created by Luis Fernando
Last updated: Jun 08, 2022
The three angles of a triangle are calculated from side lengths by cutting it into two right-angled triangles and solving Pythagoras' theorem for each one. These simultaneous equations give the upright length, thus the angles can be found by trigonometry, and the area follows.
Luis Fernando
Given
base and height
Triangle area: triangle with base and height





Base
in
Height
in
Area
in²
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