Similar Triangles Perimeter and Altitude and Median

IF ALL 3 SIDES OF A TRIANGLE ARE PROPORTIONAL TO THEIR CORRESPONDING SIDES OF ANOTHER TRIANGLE, THE TRIANGLES ARE SIMILAR

• TRIANGLE PROPORTIONALITY THEOREM

• AA ~

• SSS ~

• SAS ~

A LINE SEGMENT JOINING A VERTEX OF THE TRIANGLE TO THE MIDPOINT OF THE OPPOSITE SIDE

• ALTITUDE

• MIDSEGMENT

• MEDIAN

• ANGLE BISECTOR

Mathematical Equivalence

ON

Mathematical Equivalence

ON

• 11

• 22

• 5.5

• 3.67

TOTAL LENGTH OF AN OBJECT'S BOUNDARY

• PERIMETER

• SCALE FACTOR

• COGRUENT

• MIDSEGMENT

A SEGMENT EXTENDING FROM THE VERTEX TO THE OPPOSITE SIDE, CREATING A LINE PERPENDICULAR TO THE LINE OPPOSITE THE VERTEX

• ALTITUDE

• MIDSEGMENT

• MEDIAN

• ANGLE BISECTOR

Find the scale factor. If your answer is not a whole number then write answer as a fraction like k = #/#

The polygons in the diagram are similar. Find the value of x.

• x=15

• x=30

• x=7

• x=24

The polygons in the diagram are similar. Find the value of x.

• x=24

• x=30

• x=9

• x=36