Geometry Review

Front

What is the relationship between the height of an object and the length of its shadow when using similar triangles?

Back

The height of an object and the length of its shadow are proportional to the height and length of another object’s shadow, allowing us to use ratios to find unknown heights.

Front

What is the definition of complementary angles?

Back

Complementary angles are two angles whose measures add up to 90 degrees.

Front

What is the definition of vertical angles?

Back

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

Front

What is the definition of alternate interior angles?

Back

Alternate interior angles are pairs of angles that are on opposite sides of a transversal and inside two parallel lines. They are congruent.

Front

What is a scale drawing?

Back

A scale drawing is a representation of an object or space that is proportionally reduced or enlarged according to a specific ratio.

Front

How do you calculate the perimeter of a rectangle?

Back

The perimeter of a rectangle is calculated by adding the lengths of all four sides, or using the formula P = 2(length + width).

Front

What is the definition of a scalene triangle?

Back

A scalene triangle is a triangle with all sides of different lengths.

Front

What is the definition of an isosceles triangle?

Back

An isosceles triangle is a triangle with at least two sides of equal length.

Front

What is the definition of an equilateral triangle?

Back

An equilateral triangle is a triangle with all three sides of equal length and all angles measuring 60 degrees.

Front

What is the definition of an obtuse triangle?

Back

An obtuse triangle is a triangle that has one angle measuring more than 90 degrees.