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Home > MC2 > Chapter 9 > Lesson 9.3.3 > Problem 9-107

9-107.
  1. A triangle is enlarged by a scale factor of . Homework Help ✎

    1. If the perimeter of the enlargement is 36 m, find the perimeter of the original triangle.

    2. If the area of the enlarged triangle is 25 square meters, what is the area of the original triangle?

According to the Math Notes box from Lesson 9.2.2:

This can be represented by the following equation with the original perimeter defined as x.

According to the Math Notes box from Lesson 9.2.2:

2.25 square meters