TriArea · geometry construction
TriArea triangle area bh
Know triangle area before estimating sheet goods or paint for a triangular panel
TECHNICAL UTILITY · TRIANGLE_AREA_BH
Result
Area = ½ · base · height
How to use this estimate
Compute triangle area from base and perpendicular height. How it works: Area = ½ · base · height. Out of scope: Heron’s formula from three sides; 3D surface mesh; fabric nesting waste factors. Informational calculation for the stated inputs only. Does not certify code compliance; confirm manufacturer data where it applies.
Sources, methodology, and assumptions
Methodology
Area = ½ · base · height
Assumptions
Height is perpendicular to base; Planar triangle. Informational calculation for the stated inputs only.
Out of scope
Heron’s formula from three sides; 3D surface mesh; fabric nesting waste factors
Sources
- NIST SP 811 unit consistency — NIST
- USGS area / geometry context — USGS
Last technically reviewed: 2026-09-11