• #### 45-45-90 Triangles - Problem 4

##### Math›Geometry›Pythagorean Theorem
How to calculate the area of a 45-45-90 triangle given only the length of the hypotenuse.
• #### Using the Pythagorean Theorem to find a Missing Leg - Problem 3

##### Math›Geometry›Pythagorean Theorem
How to use the Pythagorean Theorem to find the surface area of a prism given one of the face diagonals and the lengths of two edges.
• #### Using the Pythagorean Theorem to find a Missing Hypotenuse - Problem 3

##### Math›Trigonometry›Pythagorean Theorem
How to find the surface area of a triangular prism using the Pythagorean Theorem.
• #### Using the Pythagorean Theorem to find a Missing Leg - Problem 3

##### Math›Trigonometry›Pythagorean Theorem
How to use the Pythagorean Theorem to find the surface area of a prism given one of the face diagonals and the lengths of two edges.
• #### Using the Pythagorean Theorem to find a Missing Hypotenuse - Problem 3

##### Math›Geometry›Pythagorean Theorem
How to find the surface area of a triangular prism using the Pythagorean Theorem.
• #### Volume of Cones - Problem 2

##### Math›Geometry›Volume
How to find the volume of half of a cone, given the diameter and slant height.
• #### Volume of Cones - Problem 3

##### Math›Geometry›Volume
How to find the volume of a cylinder with a cone removed.
• #### Volume of Cones - Problem 4

##### Math›Geometry›Volume
How to find the radius of a cone, given the volume and the height.
• #### Volume of Cylinders - Problem 3

##### Math›Geometry›Volume
How to find the volume between two cylinders, given their height and radii.
• #### Volume of Cylinders - Problem 2

##### Math›Geometry›Volume
How to calculate the volume of a cylinder with a missing wedge, given the measure of the arc.
• #### Volume of Cylinders - Problem 1

##### Math›Geometry›Volume
How to find the volume of a solid that has half of a cylinder joined to a rectangular prism.
• #### Volume of Cones - Problem 1

##### Math›Geometry›Volume
How to find the height of a cone, given the radius and the height.
• #### Pythagorean Theorem Proofs - Problem 1

##### Math›Trigonometry›Pythagorean Theorem
How to prove the Pythagorean Theorem by rearranging triangles inside a square.
• #### Pythagorean Theorem Proofs - Problem 1

##### Math›Geometry›Pythagorean Theorem
How to prove the Pythagorean Theorem by rearranging triangles inside a square.
• #### Factoring Trinomials, a is not 1 - Problem 11

##### Math›Algebra›Factoring
A geometric interpretation of factoring trinoimals that uses a length times width equals area rectangular model. A "diamond puzzle" is used to find the rectangle's sub-areas.
• #### Distributive - Problem 3

##### Math›Pre-Algebra›Properties of Numbers
Using a geometric area model to illustrate the distributive property
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• #### Distributing - Problem 3

##### Math›Pre-Algebra›Polynomials
Writing a polynomial expression for the area of a composite shape
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• #### Probability - Problem 3

##### Math›Pre-Algebra›Introductory Statistics
Geometric probability is the ratio of areas
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• #### Divisibility - Problem 3

##### Math›Pre-Algebra›Prime Numbers
Using factors to determine the possible dimensions of a rectangle with known area
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• #### Introduction to Probability - Problem 4

##### Math›Algebra 2›Combinatorics
Calculating geometric probabilities using a "spinner" or an area map.
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