Miles and Norah made the drawings below to illustrate their methods for calkulating the area of a trapezoid. Write an expression that each student would use to find the area (using shapes they already knew, like triangles and parallelograms). Use letters like a, b, and h, and whatever numbers might be appropriate to find the area of a single trapezoid. Norah's method (Nate: Norah cut the trapezoid halfway up, rotated it and made a parallelogram) Miles' method (Note: Miles copied the trapezoid, rotated it and made a parallelogram) Then, decide if the two expressions are equal and how you would demonstrate to someone else that the expressions are equal.
Miles and Norah made the drawings below to illustrate their methods for calkulating the area of a trapezoid. Write an expression that each student would use to find the area (using shapes they already knew, like triangles and parallelograms). Use letters like a, b, and h, and whatever numbers might be appropriate to find the area of a single trapezoid. Norah's method (Nate: Norah cut the trapezoid halfway up, rotated it and made a parallelogram) Miles' method (Note: Miles copied the trapezoid, rotated it and made a parallelogram) Then, decide if the two expressions are equal and how you would demonstrate to someone else that the expressions are equal.
Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
Problem 1CT
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