# Concept of similarity of triangles and Pythagoras theorem for construction work

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This construction video tutorial is based on the theorem of Similarity of Triangles & Pythagoras. The concept is very useful in case you are going to find out bar bending schedule of any staircase.

If two angles concerning a triangle contain measures similar to the measures of two angles of another triangle, then the triangles become similar. Equivalent sides of related polygons are proportionate, and equivalent angles of related polygons contain the identical measure.

While going to set the foundation for the corners of a building, the builders frequently utilize the Pythagorean Theorem. It can be applied practically any time when you’re dealing with measurements. If you are familiar with the measurements of two sides, or a 90 degree angle, the Pythagorean theorem should be used to define that your angle is perfect.

While arranging the concrete foundations or “footings” on new buildings, the Pythagorean theorem is highly practical for producing square 90 degree angles. Several construction professionals set right-angled corners with only a few cuts of string.

If you have the clear idea on the measurements for the corner of where a wall should be developed, two cuts of string or rope can be applied to denote them. The third cut should calculate the sum of your first two cuts, which would create all of your independent strings join uniformly at the ends. Thus, the Pythagorean theorem will ensure to have an accurate 90 degree angle.

It’s very useful for the architects, engineers, carpenters, painters, and a number of other professionals on construction sites throughout various phases of the building process.

The Pythagorean theorem is applied to construct staircases, roofs, as well as estimate the angle for arranging a ladder securely when it is required to work in high areas.

Video Source: L & T - Learning Technology

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