Similarity, Right Triangles, and Trigonometry

Similar Triangles 2

Directions: Using the digits 0 to 9 at most one time each, create two similar triangles. You may have as many leading zeros as you like. Source: Drew Ross

Three Triangles And A Wannabe

Directions: Using the values 8, 10, 12, 14, 16, 18, and 20, determine lengths for an acute triangle, a right triangle, an obtuse triangle, and a non-triangle. Source: Jonathan Lees

Simplifying Rational Expressions

Directions: Using the digits 0 to 9 at most one time each, place a digit in each box to create a true statement Source: Dwight Stephenson

Similar Triangles

Directions: Using the digits 0 to 9 at most one time each and as many leading zeros as you like, place a digit in each box to create two similar triangles. Source: Drew Ross

Trigonometric Ratios

Directions: Using the digits 0 to 9 at most one time each, place a digit in each box to create a right triangle where 𝜃 is as close to 10° as possible. Source: Thomas Derstein

Pythagorean Inequality

Directions: Using the digits 1 through 6 at most one time each, place a digit in each box to find three side lengths that are two-digits each and form an acute triangle. Source: Samantha Cruz

Area of Three Triangles

Directions: Use the integers 2 through 10, at most one time each, as lengths of individual sides to form three triangles. What is the smallest total area of the three triangles you can create? What is the largest? Source: Dan Wulf

Law of Cosines Triangle

Directions: Using the digits 1 to 9 at most one time each, fill in the boxes to fill in the circles of a triangle. The sum of the numbers on each side of the triangle is equal to the length of that side. What is the triangle with the largest (or smallest) angle measure that you can make? Source: Erick …