8th Grade - Unit 1 Lesson 11

What of the following is NOT true for congruent figures?

• Corresponding angles measure the same.

• Corresponding Sides are the same.

• The size can vary.

• Area & Perimeters are equal

Tags

CCSS.8.G.A.1

CCSS.8.G.A.2

Decide if each image pair are congruent or not.

Groups:

(a) Congruent

,

(b) NOT Congruent

• 
• 
• 
• 
• 
• 

Tags

CCSS.8.G.A.1

CCSS.8.G.A.2

What figure is congruent to Figure A?

Tags

CCSS.8.G.A.2

CCSS.8.G.A.3

What figure is congruent to Figure B?

Tags

CCSS.8.G.A.1

CCSS.8.G.A.2

CCSS.8.G.A.3

What figure is congruent to Figure F?

Tags

CCSS.8.G.A.2

CCSS.8.G.A.3

What is area of a figure mean?

• The amount of space inside the boundary of a figure
• The length of the boundary of a figure
• The number of sides a figure has
• The color of the figure

Tags

CCSS.4.MD.A.3

What does the Perimeter of a figure mean?

• The total distance around the edge or boundary of a two-dimensional shape
• The total area inside a two-dimensional shape
• The total volume inside a three-dimensional shape
• The total surface area of a three-dimensional shape

Tags

CCSS.4.MD.A.3

The area of the rectangle is ​ (a)   . The perimeter of the rectangle is ​ (b)   .

• 20
• 18
• 10
• 14
• 9

Tags

CCSS.4.MD.A.3

True or False: EVERY rectangle that has an area of 20 square units will be congruent to this rectangle.

• True

• False

Tags

CCSS.8.G.A.2

Are these two shapes congruent or not congruent?

• congruent
• not congruent

Tags

CCSS.8.G.A.1

CCSS.8.G.A.2