To find: perimeter of square.
Answer to Problem 5ST1
Explanation of Solution
Given:
The diagonals of a square are of lengths 10 cm.
Concept Used:
Theorem 5-13: Diagonals of a square are perpendicular bisectors.
Theorem 8-2: the square of the hypotenuse of right
Draw a square with diagonals of lengths 10 cm.
Consider the right triangle
Now,
So, by theorem 8-2,
Now, take square root of both sides,
The length of side of square is
Now, perimeter of square is,
Chapter 8 Solutions
McDougal Littell Jurgensen Geometry: Student Edition Geometry
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