Plane Shapes

A plane shape with 4 equal sides and 4 right angles is a ...

A triangle whose three sides are equal is called a ... triangle.

A plane shape that has exactly one pair of parallel sides is a ...

The sum of the interior angles of a triangle is ...

Which plane shape has no vertices?

A square has a side length of $5\text{cm}$. What is its perimeter?

A rectangle has a length of $8\text{cm}$ and a width of $3\text{cm}$. What is its area?

A plane shape with two pairs of parallel sides and four right angles is a ...

A rectangle is $12\text{cm}$ long and $5\text{cm}$ wide. What is its perimeter?

A triangle has a base of $10\text{cm}$ and a height of $6\text{cm}$. What is its area?

The perimeter of a square is $36\text{cm}$. What is the length of its side?

The area of a rectangle is $48{\text{cm}}^2$. If its length is $8\text{cm}$, its width is ...

A triangle has sides of $7\text{cm}$, $8\text{cm}$, and $9\text{cm}$. What is its perimeter?

The area of a square is $49{\text{cm}}^2$. What is the length of its side?

A rectangular garden measures $15\text{m}\times 10\text{m}$. It will be fenced around its border. How long is the fence needed?

The area of a rectangle is $60{\text{cm}}^2$. If its length is $12\text{cm}$, what is its perimeter?

A square has an area of $64{\text{cm}}^2$. What is its perimeter?

The area of a triangle is $48{\text{cm}}^2$. If its base is $12\text{cm}$, its height is ...

The perimeter of a rectangle is $40\text{cm}$ and its length is $12\text{cm}$. What is its area?

A rectangular garden measures $20\text{m}\times 12\text{m}$. A square pond with a side of $6\text{m}$ is built in the middle. What is the garden area outside the pond?