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CHAPTER 11. 1 AND 11. 2 Areas of parallelograms, triangles, kites, trapezoids and rhombi CHAPTER 11. 1 AND 11. 2 Areas of parallelograms, triangles, kites, trapezoids and rhombi

PARALLELOGRAM PARALLELOGRAM

EXAMPLE 1 Perimeter and Area of a Parallelogram Find the perimeter and area of EXAMPLE 1 Perimeter and Area of a Parallelogram Find the perimeter and area of

EXAMPLE 1 A. Find the perimeter and area of A. 88 m; 255 m EXAMPLE 1 A. Find the perimeter and area of A. 88 m; 255 m 2 B. 88 m; 405 m 2 C. 88 m; 459 m 2 D. 96 m; 459 m 2

EXAMPLE 2 Area of a Parallelogram Find the area of EXAMPLE 2 Area of a Parallelogram Find the area of

EXAMPLE 2 Find the area of A. 156 cm 2 B. 135. 76 cm EXAMPLE 2 Find the area of A. 156 cm 2 B. 135. 76 cm 2 C. 192 cm 2 D. 271. 53 cm 2

CONCEPT 4 CONCEPT 4

EXAMPLE 3 Perimeter and Area of a Triangle SANDBOX You need to buy enough EXAMPLE 3 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?

EXAMPLE 3 PLAYGROUND You need to buy enough boards to make the frame of EXAMPLE 3 PLAYGROUND You need to buy enough boards to make the frame of the triangular playground shown here and enough mulch to fill it. If one board is 4 feet long and one bag of mulch covers 7 square feet, how many boards and bags do you need to buy? A. 12 boards and 14 bags of mulch B. 11 boards and 13 bags of mulch C. 12 boards and 13 bags of mulch D. 11 boards and 14 bags of mulch

TRAPEZOID TRAPEZOID

EXAMPLE 1 Area of a Trapezoid SHAVING Find the area of steel used to EXAMPLE 1 Area of a Trapezoid SHAVING Find the area of steel used to make the side of the razor blade shown below. Answer: A = 2. 75 cm 2

EXAMPLE 1 Find the area of the side of the pool outlined below. A. EXAMPLE 1 Find the area of the side of the pool outlined below. A. 288 ft 2 B. 295. 5 ft 2 C. 302. 5 ft 2 D. 310 ft 2

EXAMPLE 2 Area of a Trapezoid OPEN ENDED Miles designed a deck shaped like EXAMPLE 2 Area of a Trapezoid OPEN ENDED Miles designed a deck shaped like the trapezoid shown below. Find the area of the deck.

EXAMPLE 2 Ariel is carpeting a room shaped like the trapezoid shown below. Find EXAMPLE 2 Ariel is carpeting a room shaped like the trapezoid shown below. Find the area of the carpet needed. A. 58 ft 2 B. 63 ft 2 C. 76 ft 2 D. 88 ft 2

CONCEPT 2 CONCEPT 2

EXAMPLE 3 A A. Find the area of the kite. Answer: 42 ft 2 EXAMPLE 3 A A. Find the area of the kite. Answer: 42 ft 2

EXAMPLE 3 B B. Find the area of the rhombus. EXAMPLE 3 B B. Find the area of the rhombus.

EXAMPLE 3 A A. Find the area of the kite. A. 48. 75 ft EXAMPLE 3 A A. Find the area of the kite. A. 48. 75 ft 2 B. 58. 5 ft 2 C. 75. 25 ft 2 D. 117 ft 2

EXAMPLE 3 B B. Find the area of the rhombus. A. 45 in 2 EXAMPLE 3 B B. Find the area of the rhombus. A. 45 in 2 B. 90 in 2 C. 180 in 2 D. 360 in 2

EXAMPLE 4 Trapezoid QRST has an area of 210 square yards. Find the height EXAMPLE 4 Trapezoid QRST has an area of 210 square yards. Find the height of QRST. A. 3 yd B. 6 yd C. 2. 1 yd D. 7 yd

AREA OF FIGURES AREA OF FIGURES