High School Resource Subtended Angle by Math Open Reference This interactive web-based resource demonstrates that a subtended angle is the angle formed by an object from a given external point. The page shows a point of view and an object that is being viewed. The subtended angle is shown as the angle of view that […]

High School Resource Area vs. Perimeter of a Triangle by Math Open Reference This interactive web-based resource shows the relationship between the perimeter and area of a triangle. It shows that a triangle with a constant perimeter does not have a constant area. The user is given a triangle with one changeable vertex and a […]

High School Resource Right Triangle Side Length by The Shodor Foundation This interactive web-based resource helps students practice calculating the length of a right triangle’s leg. Related NY State Academic Standards: 8.G.7, G-SRT.8, MST3.7.G.8, and MST3.A1.A.45! Be sure to check out our Educational Resources, featuring thousands of activities, lesson plans, constructed-response questions, rubrics, teacher resources, […]