Area Triangle and Rectangles

Find the area of this triangle.

• 150 ft²

• 100 ft²

• 50 ft²

• 35 ft²

How do you find the area of a rectangle?

• Length + Length + Length + Length

• Length + Width

• Length x Width

• Width x Width

Find the area of the triangle pictured.  

• 22.5 cm²

• 45 cm²

• 15.75 cm²

• 31.5 cm²

Find the area.

• 27.3 mi²

• 54 mi²

• 27 mi²

• 54.6 mi²

Find the area of the triangles.

Remember:

- Base and height must form a right angle

- Always divide by 2 on triangles

a

b

c

d

e

f

h

g

According to the picture, the area of the triangle is ​ (a)   the area of the rectangle.

• half of the

• double the

• the same as

Find the area of the triangles. Remember:- Base and height must form a right angle- Always divide by 2 on triangles

a

b

c

d

e

f

h

g

Using the formula for the area of a triangle, solve for the area of the triangle.

• 24 cm²

• 48 cm²

• 60 cm²

• 30 cm²

What is the area of this triangle?

• 12 cm²

• 24 cm²

Find the area of a triangle if the base is 3 and the height is 6.

• 9 cm²

• 18 cm²

• 9 cm

• 18 cm