Area of Circles, Triangles, and Quadrilaterals

Which formula can be used to find the circumference of the circle?

Which formula can be used to find the area of the circle?

Which formula can be used to find the circumference of the circle?

Which formula will we use to find the area of the shape?

• 
• 
• 
• 

Which formula will we use to find the area of the shape?

• 
• 
• 
• 

What is the value of the base?

What is the sum of the bases? (b1 + b2)

• 20 + 25

• 20 + 8

• 20 x 25

• 8 x 25

What is the height of the trapezoid?

• 8

• 20

• 25

Which formula can be used to find the area of the circle?

Which formula will determine the area of the rectangle?