Geometry Prep: Unit 6 Flashcard 1 Review

Front

What is a parallelogram?

Back

A parallelogram is a quadrilateral with two pairs of parallel sides.

Front

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

Back

The sum of the interior angles of a triangle is 180°.

Front

If AB = 7x + 1 and AD = 2x + 11 in square ABCD, how do you find the length of BC?

Back

Set AB equal to AD: 7x + 1 = 2x + 11, solve for x, then substitute x back to find BC.

Front

What is a rhombus?

Back

A rhombus is a quadrilateral with all four sides of equal length and opposite sides parallel.

Front

How do you solve for x in a linear equation?

Back

Isolate x on one side of the equation using inverse operations.

Front

What is the formula for the area of a rectangle?

Back

Area = length × width.

Front

What is the Pythagorean theorem?

Back

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

Front

What defines a square?

Back

A square is a quadrilateral with four equal sides and four right angles.

Front

What is the relationship between the angles in a parallelogram?

Back

Opposite angles in a parallelogram are equal, and consecutive angles are supplementary.

Front

How do you find the perimeter of a rectangle?

Back

Perimeter = 2(length + width).