Geometry Semester 1 Review

Front

What is the measurement of an obtuse angle?

Back

An obtuse angle measures more than 90 degrees but less than 180 degrees.

Front

Identify this figure: A quadrilateral with opposite sides that are equal and parallel.

Back

Parallelogram

Front

Find the missing side length in a right triangle where one leg is 4 and the hypotenuse is 10.

Back

4√5

Front

Name the figure: A quadrilateral with one pair of parallel sides and non-parallel sides that are equal in length.

Back

Isosceles Trapezoid

Front

What does the Triangle Sum Theorem state?

Back

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

Front

What is the formula for the area of a triangle?

Back

Area = 1/2 * base * height.

Front

Define a rhombus.

Back

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

Front

What is the difference between a rectangle and a square?

Back

A rectangle has opposite sides equal, while a square has all sides equal and all angles are right angles.

Front

What is the Pythagorean theorem?

Back

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

Front

How do you calculate the perimeter of a rectangle?

Back

Perimeter = 2 * (length + width).