FC-CBSE-10-M-C6

Front

Two polygons are similar if all corresponding angles are ________ and all corresponding sides are __________.

Back

Two polygons are similar if all corresponding angles are equal and all corresponding sides are proportional.

Front

Transitive property of similarity in polygons.

If one polygon is similar to a second polygon, and the second polygon is similar to a third polygon, then the first polygon is ________ to the third polygon.

Back

If one polygon is similar to a second polygon, and the second polygon is similar to a third polygon, then the first polygon is similar to the third polygon.

Front

Two triangles ABC and PQR, are similar when,

Back

Front

Basic Proportionality Theorem (B.P.T.)

If a line is drawn parallel to one side of a triangle to intersect the other two sides, the other two sides are divided in the _______ ratio.

Back

Basic Proportionality Theorem (B.P.T.)

If a line is drawn parallel to one side of a triangle to intersect the other two sides, the other two sides are divided in the same ratio.

Front

Basic Proportionality Theorem (B.P.T.)

If a line divides any two sides of a triangle in the same ratio, then the line is _______ to the third side.

Back

If a line divides any two sides of a triangle in the same ratio, then the line is parallel to the third side.

Front

AAA similarity criterion.

If two triangles are ________, then they are similar.

Back

If two triangles are equiangular, then they are similar.

Front

If two angles of one triangle are respectively equal to two angles of another triangle, then the triangles are similar.

True or False

Back

True.

By AA similarity criterion

Front

If triangles are similar, the ratio of their perimeters is equal to the ratio of their corresponding sides.

Back

Front

Two figures having the same shape but not necessarily the same size are called ______ figures.

Back

Two figures having the same shape but not necessarily the same size are called similar figures.

Front

Proportionality in Triangles

In ΔABC, if DE || BC, then

Back