Area of Composite Figures in STAAR 2017 7th Math

What shapes make up the figure in the problem?

• A square and a circle

• A rectangle and a semi-circle

• A triangle and a semi-circle

• A triangle and a circle

What unit of measurement is used for measuring the dimensions?

• Feet

• Centimeters

• Meters

• Inches

What is the diameter of the circle part of the figure?

• 6 cm

• 12 cm

• 8 cm

• 10 cm

Why is it important to start measuring from zero?

• To avoid using a ruler

• To ensure accuracy

• To make it faster

• To use less space

How is the area of a semi-circle calculated?

• Pi times radius squared divided by 2

• Pi times diameter squared divided by 4

• Pi times radius squared

• Pi times diameter squared

What is the area of the semi-circle part of the figure?

• 50.24 cm²

• 100.48 cm²

• 25.12 cm²

• 12.56 cm²

What formula is used to calculate the area of a triangle?

• Base times height

• One-half base times height

• Base plus height

• One-third base times height

What is the approximate area of the triangle part of the figure?

• 40 cm²

• 34 cm²

• 28 cm²

• 22 cm²

What is the total area of the figure?

• 63.12 cm²

• 43.12 cm²

• 75.12 cm²

• 53.12 cm²

What should you do first when you start the test according to the video?

• Write your name

• Start solving problems

• Rip out the reference sheet

• Ask questions