Ratio and Proportions Geometry

The perimeter of a rectangle is 98 ft. The ratio of length to width is 5:2. What is the area of the rectangle?

• 35

• 14

• 196

• 490

The interior angles of a quadrilateral have a ratio of 2:4:6:3. What is the measure of the smallest angle?

• 24

• 48

• 96

• 72

The interior angles of a quadrilateral have a ratio of 2:4:6:3. What is the measure of the largest angle?

• 24

• 48

• 96

• 144

All of the following are proper representations of a ratio EXCEPT

• a/b

• a to b

• a:b

• a over b

To solve for missing info in a proportion statement you must first

• Cross multiply

• Divide everything

• Get rid of variables

• Guess

A model airplane is made to the scale 1 inch to 24 inches. If the wing of the actual plane is 18 feet long, how long will the model wing be in inches?

Solve the proportion.

• k=5

• k=3.3333333

• k=60

• k=90

Solve for x

• x=6

• x =1/6

• x = 7

• x=9

Solve the proportion.

• -3

• -1.5

• 2.1

• 9

Solve for x

• 1/2

• 25/8

• 11

• 53/4