Scale Drawing #2 - perimeter and area

__________: A ratio between the measurements of the drawing and of the actual object.

• scale drawing

• constant of proportionality

• scale

• unit rate

If the scale factor is less than one, the new figure will be

• an enlargement
• a reduction
• a scale factor
• bigger

Tags

CCSS.8.G.A.3

If the scale factor is greater than one, the new figure will be

• a reduction
• an enlargement
• a scale
• not proportional

Tags

CCSS.8.G.A.3

Find the perimeter of the large triangle.

• 24
• 36
• 12
• 54

Tags

CCSS.6.G.A.3

This scale drawing shows a parking lot. What is the length of the longer side of the actual lot?

• 63 m

• 235 m

• 315 m

• 630 m

Howard has a scale model of the Statue of Liberty. The model is 15 inches tall. The scale of the model to the actual statue is 1 inch : 6.2 meters. Which equation can Howard use to determine x, the height in meters, of the Statue of Liberty?

• $15x\ =\ 6.2$

• $6.2x\ =\ 15$

• $\frac{1}{6.2}\ =\ \frac{x}{15}$

• $\frac{1}{6.2}\ =\ \frac{15}{x}$

Tags

CCSS.7.EE.B.4

CCSS.7.G.A.1

CCSS.7.RP.A.2

CCSS.7.RP.A.3

The scale of a map says that 6 cm represents 15 km.

What distance on the map represents an actual distance of 6 kilometers?

• 3.6

• 2.5

• 2.4

• .42

Tags

CCSS.7.RP.A.2C

The two rectangles are scale drawings. What is the measurement of x?

• 21
• 1.25
• 20
• 4

Tags

CCSS.7.G.A.1

Jamie made a scale drawing of his apartment building.  The building is 300 ft tall.  He wants his scale to be 1 inch : 10 ft.  How tall should his building be in his scale drawing?

• 25 inches
• 60 inches
• 1/30 inch
• 30 inches

Tags

CCSS.7.G.A.1

CCSS.7.RP.A.2

What is the scale factor?

• 4
• .25
• 5
• 6

Tags

CCSS.7.G.A.1

CCSS.7.RP.A.2