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Lesson: The Area of a Square in terms of Its Diagonals Mathematics • 6th Grade

In this lesson, we will learn how to find the area of a square in terms of its diagonal length.

Lesson Plan

Students will be able to

use models to show that the area of a square can be found using diagonal length diagonal length,
find the area of a square when given its diagonal length,
solve problems involving finding the area of a square using diagonals.

Q1:

Find the area of a square with a diagonal of 3 cm.

Q2:

Find the area of a square whose diagonal is 9 cm.

Q3:

The area of the square is cm². Find the length of .

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