Perimeter & Area

Which one is the most accurate description of perimeter?

• The measurement of a space or a region

• The total length surround an enclosed shape

• The measurement to know the depth of an object

• The total capacity of a 2D shape

Which one is the most accurate description of the area?

• The amount of 3D shapes takes up

• A combination of many lines together to build a polygon

• The amount of space a flat shape has

• The overall distance for 2D shape

Is it possible to have an enclosed shape with different values of perimeter and area?

• Yes

• No

Calculate the perimeter of the quadrilateral :

• 8 cm

• 16 cm

• 20 cm

• 15 cm

Can these three be considered as 2D shapes?

• No

• Yes

Calculate the area of the triangle show :

What is the perimeter of the composite shape?

• 34.2 cm

• 44.2 cm

• 49.2 cm

• 54.2 cm

Based on the diagram, how to calculate the area?

• 5 + 5 + 3 + 3 = 16

• 5 + 3 = 8

• 5 x 3 = 15

• 5 x 5 = 25

Calculate the perimeter of the triangle shown

• 20 cm

• 24 cm

• 28 cm

• 32 cm

Calculate the area of the composite shape :