Geometry G.1

Decomposing

100

How to decompose a trapezoid

Make them into 2 triangles and 1 rectangle

200

What do you get when you decompose a rectangle

2 Triangles

Triangles

100

What is the formula for finding the area of a triangle

(W x L)/2 = A

200

Find The Area for a triangle. 9= Length 10= Width

45

300

What do you get when you combine 2 Triangles?

A Rectangle

Trapezoids

100

How do you find the area of a trapezoid?

You need to decompose the trapezoid into 2 triangles and one rectangle and then find the area for all shapes and add them together

200

Find the Area for the trapezoid. Triangle area= 30 Other Triangle area= 40 Rectangle area= 60

130

Rectangles

100

How to find the area of a rectangle?

Length x Width

200

Solve for area. 12= Length 11= Width

132

300

Decompose a Rectangle and Solve for Area. First Triangle Area= 45 Second Triangle Area= 50

95