**Similar polygons and triangles defined - Math Open …**
https://www.mathopenref.com/similarpolygons.html

In the figure at the top, the following angles are congruent: P=L, S=O, R=N and Q=M From this, it follows that the corresponding exterior angles will also be the same. By definition each pair of corresponding sides are in the same proportion, or ratio. Formally, in two similar polygons PQRS and LMNO : PQLM=QRMN=RSNO=SPOL In each polygon the corresponding diagonals are in the same proportion. Their ratio is the sa… In the figure at the top, the following angles are congruent: P=L, S=O, R=N and Q=M From this, it follows that the corresponding exterior angles will also be the same. By definition each pair of corresponding sides are in the same proportion, or ratio. Formally, in two similar polygons PQRS and LMNO : PQLM=QRMN=RSNO=SPOL In each polygon the corresponding diagonals are in the same proportion. Their ratio is the same as the ratio of the sides. The ratio of the areas of the two polygons is the square of the ratio of the sides. So if the sides are in the ratio 3:1 then the areas will be in the ratio 9:1. This is illustrated in more depth f...

In the figure at the top, the following angles are congruent: P=L, S=O, R=N and Q=M From this, it follows that the corresponding exterior angles will also be the same.

By definition each pair of corresponding sides are in the same proportion, or ratio. Formally, in two similar polygons PQRS and LMNO : PQLM=QRMN=RSNO=SPOL

In each polygon the corresponding diagonals are in the same proportion. Their ratio is the sa…

In each polygon the corresponding diagonals are in the same proportion. Their ratio is the same as the ratio of the sides.

The ratio of the areas of the two polygons is the square of the ratio of the sides. So if the sides are in the ratio 3:1 then the areas will be in the ratio 9:1. This is illustrated in more depth f...

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