Perimeter and Area of Parallelograms, Triangles, Trapezoids

The formula

A = lw

is to find ____________ of a rectangle

• Area

• Perimeter

• Surface Area

• Volume

How do you find the AREA of a TRIANGLE?

• A= lw

• A = bh

• A= 1/2 bh

• A= 1/2 lwh

A triangle has a base of 4cm and a height of 5cm . What is the area? _______ cm squared. (only enter the number)

A= 1/2h (b₁ + b₂)

This is the formula for...

• Area of a rectangle

• Area of a triangle

• Area of a parallelogram

• Area of a trapezoid

• 46.2 ft²
• 92.4 ft²
  
• 64.2 ft
• 92.4 ft

What is the area of this trapezoid?

• 48 m²

• 68 m²

• 88 m²

• 136 m²

What is the area of this trapezoid?

• 4.5 cm²

• 6.5 cm²

• 6.8 cm²

• 9 cm²

Which is the correct area formula for Parallelograms?

• 
• 
• 

Find and solve the missing dimension of this parallelogram: Area = 49m² Base = 7m Height = ?

• 7m

• 42m

• 343m

Find the height of the triangle.

• 9 inches

• 4.5 inches

• 3 inches

• 8 inches