area formulas

Front

What is the formula for the area of a rectangle?

Back

A = lw (Area = length × width)

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

What is the formula for the area of a circle?

Back

A = πr² (Area = pi × radius squared)

Tags

CCSS.7.G.B.4

Front

Find the area of a rectangle with length 10 cm and width 5 cm.

Back

50 cm²

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

Find the area of a circle with a radius of 7 cm.

Back

153.86 cm²

Tags

CCSS.7.G.B.4

Front

What is the area of a square with a side length of 4 cm?

Back

16 cm²

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

If the radius of a circle is doubled, how does the area change?

Back

The area increases by a factor of 4.

Tags

CCSS.7.G.B.4

Front

What is the area of a triangle with a base of 6 cm and a height of 4 cm?

Back

12 cm²

Tags

CCSS.6.G.A.1

Front

What is the area of a trapezoid with bases of 5 cm and 7 cm, and a height of 4 cm?

Back

24 cm²

Tags

CCSS.6.G.A.1

Front

Find the area of a rectangle with a length of 12 cm and a width of 8 cm.

Back

96 cm²

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Front

What is the area of a circle with a diameter of 10 cm?

Back

78.54 cm²

Tags

CCSS.7.G.B.4