Area and Scale factor

What is the area of this figure?

• 40 square units
• 40 units
• 40

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

What's the scale factor from LMNO to STUV?

Tags

CCSS.7.G.A.1

Find the area of LMNO

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Which statements are true? (Pick 2)

Area LMNO: 10 sq cm

Area STUV: 90 sq cm

• The area of LMNO is 1/9 the area of STUV

• The area of STUV is 9 times the area of LMNO

• The area of LMNO is 9 times the area of STUV

• The area of STUV is 1/9 the area of LMNO

Tags

CCSS.7.G.A.1

What is the scale factor from ΔDEF to ΔABC?

• 1/2
• 7/3
• 2
• 10/3

Tags

CCSS.8.G.A.4

CCSS.HSG.SRT.A.2

Each side length of the rectangle at the right is multiplied by 3. What is the new area?

• 1296

• 432

• 48

• 144

Tags

CCSS.7.G.A.1

Tags

CCSS.7.G.A.1

Each side length of the rectangle at the right is multiplied by a scale factor of 4. What is the new area?

• 1344

• 84

• 336

• 152

Tags

CCSS.7.G.A.1

Each side length of the rectangle at the right is multiplied by 3. What is the new area?

• 1296

• 432

• 48

• 144

Tags

CCSS.7.G.A.1

• 32400 ft. sq.

• 432 ft. sq.

• 2160 ft. sq.

• 144 ft. sq.

Tags

CCSS.7.G.A.1