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Over 6. 4 Over Chapter 10 WXYZ is a rectangle. If ZX = 6 Over 6. 4 Over Chapter 10 WXYZ is a rectangle. If ZX = 6 x – 4 and WY = 4 x + 14, find ZX. A. 9 B. 36 C. 50 D. 54

Over 6. 4 Over Chapter 10 WXYZ is a rectangle. If WY = 26 Over 6. 4 Over Chapter 10 WXYZ is a rectangle. If WY = 26 and WR = 3 y + 4, find y. A. 2 B. 3 C. 4 D. 5

Over 6. 4 Over Chapter 10 WXYZ is a rectangle. If m WXY = Over 6. 4 Over Chapter 10 WXYZ is a rectangle. If m WXY = 6 a 2 – 6, find a. A. ± 6 B. ± 4 C. ± 3 D. ± 2

Over 6. 4 Over Chapter 10 RSTU is a rectangle. Find m VRS. A. Over 6. 4 Over Chapter 10 RSTU is a rectangle. Find m VRS. A. 38 B. 42 C. 52 D. 54

Over 6. 4 Over Chapter 10 RSTU is a rectangle. Find m RVU. A. Over 6. 4 Over Chapter 10 RSTU is a rectangle. Find m RVU. A. 142 B. 104 C. 76 D. 52

Over 6. 4 Over Chapter 10 Given ABCD is a rectangle, ___ what is Over 6. 4 Over Chapter 10 Given ABCD is a rectangle, ___ what is the length of BC? A. 3 units B. 6 units C. 7 units D. 10 units

Content Standards G. GPE. 7 Use coordinates to compute perimeters of polygons and areas Content Standards G. GPE. 7 Use coordinates to compute perimeters of polygons and areas of triangles and rectangles, e. g. , using the distance formula. Mathematical Practices 1 Make sense of problems and persevere in solving them. 7 Look for and make use of structure.

You found areas of rectangles and squares. • Find perimeters and areas of parallelograms. You found areas of rectangles and squares. • Find perimeters and areas of parallelograms. • Find perimeters and areas of triangles.

• parallelogram: - base: any side can be called the base - height: • parallelogram: - base: any side can be called the base - height: the perpendicular distance between the two parallel bases

• triangle: - base: any side can be called the base - height: • triangle: - base: any side can be called the base - height: the length of an altitude drawn to a given base

Formula: Area of a Rectangle b h Formula: Area of a Rectangle b h

Formula: Area of a Parallelogram Formula: Area of a Parallelogram

Formula: Area of a Triangle Formula: Area of a Triangle

Postulate 11. 1: Area Addition Postulate The area of a region is the sum Postulate 11. 1: Area Addition Postulate The area of a region is the sum of the areas of its nonoverlapping parts. 1 2

Postulate 11. 2: Area Congruence Postulate If two figures are congruent, then they have Postulate 11. 2: Area Congruence Postulate If two figures are congruent, then they have the same area.

Perimeter and Area of a Parallelogram Find the perimeter and area of Perimeter and Area of a Parallelogram Find the perimeter and area of

Perimeter and Area of a Parallelogram A. Find the perimeter and area of Perimeter and Area of a Parallelogram A. Find the perimeter and area of

Perimeter and Area of a Triangle SANDBOX You need to buy enough boards to Perimeter and Area of a Triangle SANDBOX You need to buy enough boards to make the frame of the triangular sandbox shown and enough sand to fill it. If one board is 3 feet long and one bag of sand fills 9 square feet of the sandbox, how many boards and bags do you need to buy?

Use Area to Find Missing Measures ALGEBRA The height of a triangle is 7 Use Area to Find Missing Measures ALGEBRA The height of a triangle is 7 inches more than its base. The area of the triangle is 60 square inches. Find the base and height.

Use Area to Find Missing Measures ALGEBRA The height of a triangle is 12 Use Area to Find Missing Measures ALGEBRA The height of a triangle is 12 inches more than its base. The area of the triangle is 560 square inches. Find the base and the height.