### Home > MC1 > Chapter 9 > Lesson 9.3.1 > Problem 9-123

9-123.

Calculate the area of each triangle described below.

Base:

cm, Height: cm Find the area of the rectangle. Area = base (height)

Then use that area to find the area of the triangle.Base:

inches, Height: inches Find the area of the triangle. Area = base (height)

Then use that area to find the area of the triangle.square inches