Exploring Area Concepts for 7th Grade

The video tutorial reviews formulas for finding the area and circumference of various shapes, including circles, rectangles, triangles, parallelograms, squares, and trapezoids. It emphasizes the importance of writing down these formulas and understanding the correct order of operations. The tutorial also provides examples and calculations for each shape, preparing students for their homework assignments.

What is the formula to calculate the area of a circle?

• pi * radius

• 2 * pi * radius

• pi * radius squared

• 2 * pi * radius squared

What is the area of a circle with a radius of 11 yards?

• 22 yards squared

• 11 yards squared

• 379.94 yards squared

• 379.94 yards

How do you calculate the circumference of a circle if the radius is given?

• pi * diameter

• pi / radius

• 2 * pi * radius

• radius * radius * pi

What is the area of a rectangle with length 7 yards and width 3 yards?

• 21 yards

• 10 yards

• 21 yards squared

• 4 yards squared

For a triangle, what is the correct formula to find its area?

• base + height / 2

• base * height

• 1/2 * base * height

• base * height / 2

What is the area of a parallelogram with a base of 5 feet and height of 2 feet?

• 5 feet squared

• 10 feet squared

• 7 feet

• 10 feet

How do you calculate the area of a square with a side length of 10 inches?

• 100 inches

• 20 inches

• 100 inches squared

• 10 inches squared

What is the correct formula to find the area of a trapezoid?

• base1 + base2 * height

• base1 * base2 * height

• 1/2 * (base1 + base2) * height

• (base1 * base2) / height

What is the area of a trapezoid with bases 12 yards and 6 yards, and height 8 yards?

• 18 yards squared

• 72 yards squared

• 144 yards

• 72 yards

What should you remember about the formulas discussed in the video for your homework?

• Only circle formulas

• None of the formulas

• Only rectangle and square formulas

• All discussed formulas