1. 10-2 Area of a Triangle 1.) What is the formula for the area of a rectangle? 2.) If a rectangle is divided into two equal triangles, what is the formula for the area of a triangle? A =

2. Find the area of each right triangle. Calculators are permitted, but you must show all required steps. 2.) 1.) 8 cm 11 cm 8.1 cm 6 cm 10.2 cm

3. Sometimes the height is not one of the sides The height is perpendicular to the base Show required steps 5.1 cm 6 cm 6.5 cm 3.) Acute triangle 4.) obtuse triangle 7.5 cm 4 cm 3.9 cm

4. 5.) Find the area of the triangle. b = 30 ft. h = ft 6.) Critical Thinking Question: Do the two triangles inscribed inside the rectangle have the same area? Explain. 4 cm 6 cm

5. 7.) A triangular kite has a base of 5 ft and an area of 10 ft2. What is the height of the kite? 5 ft Area = 10 ft2 ?

6. 1.) 2.) 3.4 cm 6 cm 4.9 cm Demonstrate Understanding : Find the area of each triangle. Show all required steps. 11.5 m 14 m 9 m 8 m

7. Find the perimeter and area of each shape. 3.) 4.)