areas of parallelograms, triangles, kites, trapezoids and rhombi
TRANSCRIPT
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?
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
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?
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 cm2
A. 288 ft2
B. 295.5 ft2
C. 302.5 ft2
D. 310 ft2
Find the area of the side of the pool outlined below.
OPEN ENDED Miles designed a deck shaped like the trapezoid shown below. Find the area of the deck.
Area of a Trapezoid
A. 58 ft2
B. 63 ft2
C. 76 ft2
D. 88 ft2
Ariel is carpeting a room shaped like the trapezoid shown below. Find the area of the carpet needed.
A. 3 yd
B. 6 yd
C. 2.1 yd
D. 7 yd
Trapezoid QRST has an area of 210 square yards. Find the height of QRST.