Area of a Triangle and Trapezoid

Given the area of a triangle is (base x height)/2 what is the area of a triangle with a base of 5 and height of 8?

• 30

• 35

• 40

• 20

Tags

CCSS.6.G.A.1

Given the area of a triangle is (base x height) / 2, what is the area of a triangle with a base of 8 and a height of 10?

• 30

• 40

• 80

• 50

Tags

CCSS.6.G.A.1

Given the area of a trapezoid is [(base1 + base 2) x height] / 2 what is the area of a trapezoid where base 1 = 4, base 2 = 6 and has a height of 5.

• 50

• 30

• 25

• 100

Tags

CCSS.6.G.A.1

Given the area of a trapezoid is [(base1 + base 2) x height] / 2 what is the area of a trapezoid where base 1 = 3, base 2 = 9 and has a height of 5.

• 25

• 30

• 60

• 120

Tags

CCSS.6.G.A.1

Given the area of a triangle is (base x height) / 2. What is the area of a triangle with a base of 10 and a height of 9?

(a)  

Tags

CCSS.6.G.A.1

Given the area of a trapezoid is [(base1 + base 2) x height] / 2. What is the area of a trapezoid where base 1 = 5, base 2 = 10 and has a height of 4.

(a)  

Tags

CCSS.6.G.A.1

How do you feel about the concept of area of a triangle?

• I think I know it

• I am 110% confident I know it

• I am hungry and triangles remind me of pizza

• I cheat all the time

• I pretend to know the material, but I don't really know it.

Tags

CCSS.6.G.A.1

How do you feel about the concept of area of a trapezoid?

• I am so lost so I'll say YES to everything!

• I have a love and hate relationship with trapezoids.

• I am still hungry and want to eat a trapezoid.

• I don't know so I'll cheat.

• I am still pretending to know the material, but I don't really know it.