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Geometry: Circumference, Triangles, Area
For this geometry review worksheet, students complete 23 problems involving area of circles, and triangles, interior and exterior angles, similar triangles, and equations of circles. Students then make 3 sketches and line constructions.
5 Views 8 Downloads
Investigating Area Under a Curve
Taking a lesson straight from the calculus classroom and making it algebra appropriate is the task of the day. Learners go step by step through calculating different area approximations underlines and curves, reviewing many key geometry...
9th - 11th Math CCSS: Designed
New Review An Area Formula for Triangles
Use a triangle area formula that works when the height is unknown. The eighth installment in a 16-part series on trigonometry revisits the trigonometric triangle area formula that previously was shown to work with the acute triangles....
11th - 12th Math CCSS: Designed
Areas of Geometric Shapes with the Same Perimeter
A triangle, square, hexagon, and circle all have a perimeter of one unit. Eighth graders must attempt to find the area of each and arrange them in order from least to greatest areas. A terrific task for applying four different area...
7th - 9th Math CCSS: Designed
Using Trigonometry to Determine Area
What do you do when you don't think you have enough information? You look for another way to do the problem! Pupils combine what they know about finding the area of a triangle and trigonometry to determine triangle area when they don't...
9th - 10th Math CCSS: Designed
Area of Diagonal Generated Triangles of Rectangle are Equal
Finding the area of each of the triangles that are created by drawing two diagonal lines through a rectangle is explored in this lecture. It provides a detailed explanation of how to use a formula to solve the given problem. Tip: Use...
5 mins 9th - 10th Math