Finding the Area of a Triangle

What do you multiply to find the area of a square or rectangle?

• The length X width

• The top X bottom

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

What is the area of this rectangle?

• 6cm

• 6cm²

• 8cm

• 8cm²

What is the area of the 3m by 4m rectangle? 

• 7m²

• 16m²

• 12m²

• 14m²

Tags

CCSS.3.G.A.1

How do you know that the 2 triangles are exactly half of the rectangle? 

Tags

CCSS.6.G.A.1

What are the 2 dimensions of a triangle used to find the area?

• Length and Base

• Base and Height 

• Height and Length 

• Width and Height 

How do you find the height of the triangle?

• The height is one of the sides of the triangle. 

• The height is in the middle of the triangle. 

• The height of the triangle makes a right angle with the base. 

• The height is the top of the triangle. 

Tags

CCSS.6.G.A.1

What 3 places can the height of the triangle be shown?

Tags

CCSS.6.G.A.1

What is another way to think about the area of a triangle besides ?

• (bxh) divided by 2. 

• (bxh) + 2

• (bxh) 

• (bxh) x 2

Tags

CCSS.6.G.A.1

The formula for area of a triangle,  works for....

• Only obtuse triangles

• only right triangles

• all kinds of triangles

• Only acute triangles

Tags

CCSS.6.G.A.1

What is the area of this triangle?

• 20m^2

• 40m^2

• 80m^2

Tags

CCSS.6.G.A.1