Lesson 11 (8th grade)

Figure B is the image of Figure A when reflected across line ℓ. Are Figure A and Figure B congruent?

• Yes, they are congruent.

• No, they are not congruent.

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

If two rectangles have the same perimeter, do they have to be congruent?

• Yes

• No

Tags

CCSS.8.G.A.2

Select all choices that describe rectangles with same area that are NOT congruent.

• 2-by-5 rectangle

• 2-by-6 rectangle

• 3-by-6 rectangle

• 4-by-3 rectangle

• 5-by-4 rectangle

Tags

CCSS.3.MD.D.8

Are the shapes congruent?

• Yes

• No

Tags

CCSS.8.G.A.2

Are the shapes congruent?

• Yes

• No

Tags

CCSS.8.G.A.2

Describe a rigid transformation that takes Polygon A to Polygon B. Select all that apply.

• Reflect Polygon A over y-axis, then reflect Polygon A over x-axis

• Reflect Polygon A over x-axis then reflect Polygon A over y-axis

• Translate Polygon A 5 units, then reflect Polygon A over x-axis

• Rotate Polygon A 180 degrees around (0,0)

• Rotate Polygon A 90 degrees around (0,0)

Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

Which of these rectangles have the same area as Rectangle R but different perimeter?

• A

• B

• C

• D

• E

Tags

CCSS.3.MD.D.8

Which rectangles have the same perimeter as Rectangle R but different area?

• A and B

• C and D

• E and F

• A and F

• D and F

Tags

CCSS.3.MD.D.8

Which have the same area and the same perimeter as Rectangle R?

• A

• B

• C

• D

• E

Tags

CCSS.3.MD.D.8

Which rectangles are congruent?

• R, A, and E

• B and C

• D and F

• A, B and C

• D, E, and F

Tags

CCSS.8.G.A.2