8-2 Perimeter and Area of Triangles and Trapezoids Course 3 Warm Up Warm Up Problem of the Day Problem of the Day Lesson Presentation Lesson Presentation.
1. Find the perimeter of a rectangle with side lengths 12 ft and 20 ft. 3. Find the area of a parallelogram with height 9 in. and base length 15 in. 2.
Pre-Algebra 6-2 Perimeter and Area of Triangles and Trapezoids 6-2 Perimeter and Area of Triangles and Trapezoids Pre-Algebra Warm Up Warm Up Problem of.
Warm-up 8 16 1 2 2 1 Find the area for the green region. 3 5.
Geoboards Review of Algebra. Review What is the slope of the line that passes through: (2, -3) and (-4, 3)? (0,0) x y.
Holt CA Course 1 10-4 Area of Triangles and Trapezoids AF3.1 Use variables in expressions describing geometric quantities (e.g., P = 2w + 2l, A = bh, C.
6-7 Area of Triangles and Quadrilaterals Holt Geometry Warm Up Warm Up Lesson Presentation Lesson Presentation Lesson Quiz Lesson Quiz.
$100 $200 $300 $400 $500 $200 $300 $400 $500 Area of Parallelograms Areas of Triangles, trapezoids and Rhombi Geometric Probability Area of regular.
5-Minute Check on Lesson 11-1 Transparency 11-2 Click the mouse button or press the Space Bar to display the answers. Find the area and the perimeter of.
Area of Rectangles Return to table of contents. Area - The number of square units (units 2 ) it takes to cover the surface of a figure. ALWAYS label units.
Today we will derive and use the formula for the area of a parallelogram by comparing it with the formula for the area of a rectangle. derive = obtain.
8-4 Area of Triangles and Trapezoids Learn to find the area of triangles and trapezoids.