The perimeter of a rectangle can be calculated using which formula?

Perimeter = 2 × (length + breadth)

If a square has a perimeter of 40 units, what is the length of one side?

Perimeter of a square = 4 × side
Here, perimeter = 40 units

So, 4 × side = 40
side = 40 ÷ 4
side = 10 units

Calculate the area of a rectangle with a length of 12 cm and a breadth of 5 cm.

Area = length × breadth = 12 cm × 5 cm = 60 cm²

True or False: The perimeter of a triangle is the sum of the lengths of its three sides.

True

What is the area of a shape if it covers 15 unit squares on a grid?

Area = 15 units²

If a rectangle has an area of 100 cm² and a breadth of 10 cm, what is the length?

Length = Area ÷ Breadth = 100 cm² ÷ 10 cm = 10 cm

The perimeter of a regular hexagon can be calculated by which formula?

Perimeter = 6 × length of one side

Calculate the area of a square with a side length of 8 cm.

Area = side × side = 8 cm × 8 cm = 64 cm²

Fill in the blank: The area of a triangle can be calculated using the formula ___ divided by 2.

Base × height

True or False: The units for measuring area are always in square units.

True

What is the perimeter of a rectangle with a length of 4 m and a breadth of 3 m?

Perimeter = 2 × (4 m + 3 m) = 14 m

Fill in the blank: The perimeter of a shape is the ___ around the shape.

Distance

Calculate the total length of lace needed for a quilt if the perimeter is 90 units and two colors are used equally.

Lace required = 90 units ÷ 2 = 45 units for each color