Geometry Review Mid Year SBHS

Front

What is the formula for the area of a square?

Back

Area = side × side or Area = side².

Front

How do you find the length of one side of a square if the area is known?

Back

Take the square root of the area. For example, if the area is 600 sq ft, side = √600 ≈ 24.5 ft.

Front

What does HL stand for in triangle congruence?

Back

HL stands for Hypotenuse-Leg, a method to prove two right triangles are congruent.

Front

What are vertical angles?

Back

Vertical angles are the angles opposite each other when two lines intersect. They are always equal.

Front

How do you reflect a point over the x-axis?

Back

To reflect a point (x, y) over the x-axis, the new coordinates will be (x, -y).

Front

What is the relationship between the sides of similar triangles?

Back

The sides of similar triangles are proportional.

Front

What is the Pythagorean theorem?

Back

In a right triangle, a² + b² = c², where c is the hypotenuse.

Front

What is the sum of the interior angles of a triangle?

Back

The sum of the interior angles of a triangle is always 180 degrees.

Front

What is a congruence statement?

Back

A congruence statement indicates that two figures are congruent, such as △ABC ≅ △DEF.

Front

What is the definition of a right triangle?

Back

A right triangle is a triangle that has one angle measuring 90 degrees.