Triangles
Trapezoids
Changing dimensions
Parallelograms
Mystery
100

What is the area of a triangle with base=9ft and a height=7ft?

31.5 ft

100

How are trapezoids and parallelograms or rectangles related?

Two equal trapezoids make one rectangle/parallelogram.

100

What is the perimeter of a new polygon, if the old polygon's perimeter=12 in and the dimensions are doubled?

24 inches

100
What is the formula to find the area of a parallelogram?
A=bh
100

What is X? 2X - 6=4

X= 5

200

What is the area of a triangle with b=12.1m and h=6.4 m

38.72 square meters

200
What is the area of a trapezoid with b1=12 in b2=5 in and a h=7 in
59.5 in squared
200
What is the area of a new polygon, if the area of the old polygon = 16 meters squared and the dimensions are doubled?
64 squared meters
200
What is the area of a parallelogram with b=20 cm and h=11 cm?
220 squared cm
200

What is the LCM 9 and 15

LCM: 45

300

What is the base of a triangle whose A=24cm squared and a h=6cm?

b=8

300

What is the height of a trapezoid with b1=15 ft, b2=12 ft and an area of 108 squared feet?

8 ft

300
What is the new area of a triangle of b=2 cm and h=1cm and the dimensions tripled?
The new area= 9 cm squared?
300
What is the height of a parallelogram with a b=9 in and A=45in squared?
h=5
300
The local food store has 88 cans of vegetables. 2/8 of the cans are corn. 4/8 of the cans are green beans? How many cans of corn does the store have?

22

400

How much material is it needed to cover the front of a camping tent (triangular) with b= 5 ft and a h=3 ft

7.5 ft squared of material is needed

400

Tiles are being placed in front of a fireplace, to create a trapezoid shape. The height will be 24 inches, the bases are 48 and 60 inches. If each tile covers 16 inches squared, how many tiles will be needed?

81 tiles

400

What is the new area of a rectangle whose b=21 yd h=15 yd and the scale factor= 1/3

35 squared yards

400
Give an example of a triangle and a parallelogram that have the same area
A triangle with b=8, and h=3 and a parallelogram with b=3 and h=4
400

What is property estates that the order of the factors/addends does not change the product/ sum

Commutative property of addition/ multiplication

500

How can you use triangles to find the area of a regular hexagon?

The hexagon is formed of 6 congruent triangles. If you find the area of one triangle you can find the area of the hexagon.

500
What are two possible lengths of the basis of a trapezoid with a height= 1 foot and an A=9 squared feet
Any sum of 18
500

What is the ratio of the area of two triangles, if the corresponding side lengths have ratio of a/b?

(a/b) squared or a squared/b squared

500
What is the definition of a parallelogram?
A parallelogram has two sets os parallel lines
500

2/3 divided by 3/4 

8/9  

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