Area Formulas

The formula for finding the area of a triangle is ______

• @@A=rac{b imes h}{2}@@

• @@A=b imes h@@

• @@A=rac{b + h}{2}@@

• @@A=b imes h^2@@

Tags

CCSS.6.G.A.1

What is the formula for the area of a rectangle?

• @@A = l imes w@@ (length times width)

• @@A = l + w@@ (length plus width)

• @@A = 2l + 2w@@ (perimeter formula)

• @@A = l^2@@ (area of a square)

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

How do you find the area of a composite shape?

• Multiply the length and width of the entire shape.

• Divide the shape into simpler shapes, find the area of each, and sum them up.

• Estimate the area by measuring the perimeter.

• Use a calculator to find the area directly.

What is the formula for the area of a circle?

• @@A = rac{1}{2} imes b imes h@@ (half base times height)

• @@A = 2eta r@@ (twice the radius)

• @@A = rac{4}{3} imes eta r^3@@ (four-thirds pi times radius cubed)

• @@A = \\pi r^2@@ (pi times radius squared)

Tags

CCSS.7.G.B.4

What is the formula for the area of a trapezoid?

• @@A=rac{(b_1+b_2)h}{2}@@

• @@A=b imes h@@

• @@A=rac{1}{2}(b_1 + b_2) imes h@@

• @@A=rac{(b_1-b_2)h}{2}@@

Tags

CCSS.6.G.A.1

If the base of a trapezoid is 8 cm, the top base is 5 cm, and the height is 4 cm, what is the area?

• 20 cm²

• 24 cm²

• 26 cm²

• 30 cm²

Tags

CCSS.6.G.A.1

What is the relationship between the area of a rectangle and the area of a square?

• A square is a special type of rectangle where all sides are equal.

• A rectangle can never be a square.

• The area of a rectangle is always greater than the area of a square.

• A square has a larger area than any rectangle.

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

What is the formula for the area of a parallelogram?

• @@A = b \, \cdot \, h@@

• @@A = \frac{1}{2} \cdot b \cdot h@@

• @@A = b + h@@

• @@A = b^2 + h^2@@

Tags

CCSS.6.G.A.1

What is the area of a square with a side length of 6 cm?

• @@A = 36 cm^2@@

• @@A = 12 cm^2@@

• @@A = 24 cm^2@@

• @@A = 18 cm^2@@

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

What shapes can be used to find the area of a complex figure?

• Squares, rectangles, and ellipses.

• Rectangles, triangles, circles, and other polygons.

• Cubes, spheres, and cylinders.

• Lines, points, and angles.