Form 1 Chapter 10: Perimeter and Area

Area represents the ... ... ... .

• number of square units inside a figure

• number of units around a figure

Perimeter represents the ... ... ... .

• number of square units inside a figure

• numbers of units around the figure

To find the perimeter of any figure is ... ... ... .

• add the lengths of all the sides

• multiply the lengths of all the sides

This formula is for finding the ... ... ... .

• area of a square

• area of a rectangle

• area of a triangle

• area of a parallelogram

This formula is for finding the ... ... ... .

• area of a rectangle

• area of a triangle

• area of a parallelogram

• area of a trapezium

This formula is for finding the ... ... ... .

• area of a square

• area of a triangle

• area of a trapezium

• area of a circle

This formula is for finding the ... ... ... .

• area of a circle

• area of a triangle

• area of a trapezium

• area of a rectangle

This formula is for finding the ... ... ... .

• area of a trapezium

• area of a triangle

• area of a parallelogram

• area of a circle

Find the area of this figure.

• A = 15 cm²

• A = 15 cm

• A = 16 cm²

• A = 8 cm²

What is the approximate side length of a square that has an area of 40 unit²?

• 20

• 10

• 1600

• 6.3