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Home > PC > Chapter 8 > Lesson 8.2.3 > Problem 8-112

8-112.
  1. The circle below has a radius of 5 cm. The figure inscribed in the circle is a rectangle with width 2x. Express each of the following in terms of x. Homework Help ✎

    1. The perimeter of the rectangle.

    2. The area of the rectangle.

Draw a diagonal. If the radius is 5, how long is the diagonal?

Use the Pythagorean Theorem to find the length L.

Perimeter = 2(width) + 2(length)

Area = (Length)(Width)