Area Formulas

Area of a Circle Formula

• A = πr²

  or

  A = π(r)(r)

• C = πd

• C = 2πr

What is the formula for the area of a triangle?

• A = 1/2 bh

• A = bh

• A = s + s + s

How do you find the area of this rectangle?

• A = bh

  A = (14)(6)

How do you find the area of this triangle?

• A = bh

  A = (30)(21)

Find the area of the quadrilateral shown.  

• 23.1 m²

• 92.4 m²

• 46.2 m²

• 49.4 m²

• 27.2 m²

Give the most precise name of the figure and the correct formula(s) to find the area.

• Kite

• Rhombus

• 
• 
• 

Give the most precise name of the figure and the correct formula(s) to find the area.

• Kite

• Rhombus

• 
• 
• 

Find the area of the quadrilateral shown.

• 8.6 cm²

• 25.3 cm²

• 17.2 cm²

• 34.4 cm²

What is the Area of a rectangle formula?

• A = bh

Which formula(s) can you use to find the area of a square? Select all that apply.