GCSE Secondary Maths Age 13-17 - Algebra: Algebra - Problem - Explained

The video tutorial explains how to calculate the perimeter of a quadrilateral and a triangle, emphasizing that the quadrilateral's perimeter is twice that of the triangle. It guides through setting up and solving the equation, leading to the final answer. The tutorial also highlights the importance of understanding key terms like perimeter and provides tips for exam preparation, stressing the need for practice and careful reading of questions.

What is the perimeter of a shape?

• The number of sides of the shape

• The volume of the shape

• The distance around the shape

• The area inside the shape

How is the expression for the perimeter of the quadrilateral simplified?

• By subtracting the smallest term

• By multiplying all terms by 2

• By adding all the constants

• By collecting like terms

What is the relationship between the perimeters of the quadrilateral and the triangle?

• The quadrilateral's perimeter is twice the triangle's

• The quadrilateral's perimeter is half of the triangle's

• The quadrilateral's perimeter is equal to the triangle's

• The quadrilateral's perimeter is three times the triangle's

What is the first step in solving the equation for X?

• Expand the brackets

• Multiply both sides by 2

• Add 4 to both sides

• Subtract 4X from both sides

What is the final calculated perimeter of the quadrilateral?

• 50 centimeters

• 52 centimeters

• 48 centimeters

• 44 centimeters