The document explains how to find the area of a triangle using the formula A = 1/2 bh, where b is the base and h is the height. It provides examples, including calculating the area of a triangle with a base of 10 feet and height of 12 feet, resulting in 60 square feet. Additionally, it mentions the area of a rectangle and the total area when combined with the triangle's area.

1. 10.2 – Area of a Triangle Joseph Williams Melvin E. Sine Elementary [email_address] Objective: Find the area of a triangle.

2. Vocabulary Base of a triangle – p. 480 – length of the sides of any triangle . Height of a triangle – p. 480 – perpendicular distance between the side whose length is the base and vertex opposite that side.

3. Area of a Triangle A = ½bh Area = one half times base times height Base, b Base, b Height, h Height, h

4. Area of a Triangle 12 feet 10 feet A = ½ bh 10 x 12 2 = 120 2 Area = 60 ft squared

5. Find the Area 10 m 4 m 3 m The Rectangles area is 40 m sq. The Triangles area is 15 m sq. The total area is 55 m squared.