Unit 4 Geometry

Front

What is the definition of similar triangles?

Back

Triangles are similar if their corresponding angles are equal and their corresponding sides are in proportion.

Front

What are the three shortcuts to prove triangles are similar?

Back

SAS (Side-Angle-Side), SSS (Side-Side-Side), AA (Angle-Angle).

Front

What is the Pythagorean theorem?

Back

Front

If the legs of a right triangle are 6cm and 8cm, what is the length of the hypotenuse?

Back

10 cm.

Front

What is the formula for the area of a triangle?

Back

Front

What is the definition of a right triangle?

Back

A triangle that has one angle measuring 90 degrees.

Front

What is the definition of complementary angles?

Back

Two angles are complementary if the sum of their measures is 90 degrees.

Front

What is the definition of supplementary angles?

Back

Two angles are supplementary if the sum of their measures is 180 degrees.

Front

What is the definition of a polygon?

Back

A polygon is a closed figure formed by a finite number of straight line segments.

Front

What is the formula for the perimeter of a rectangle?

Back

Perimeter = 2(length + width).