Unit 7 · Class 7 IB MYP · Formula Sheet

Area & Perimeter Formulas — Class 7 IB MYP

Calculate area and perimeter of composite shapes including circles and irregular figures.

Key Formulas

Area of Parallelogram

A = b \times h

Area of Trapezium

A = \dfrac{1}{2}(a + b) \times h

Circumference

C = 2\pi r = \pi d

Area of Circle

A = \pi r^2

Worked Examples

1Using: Area of Rectangle

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

Step 1: Area = l x b

Step 2: = 12 x 5 = 60 sq. cm.

Answer: 60 sq. cm

2Using: Perimeter of Square

Find the perimeter of a square with side 8 m.

Step 1: Perimeter = 4a

Step 2: = 4 x 8 = 32 m.

Answer: 32 m

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More Class 7 IB MYP Formulas

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Frequently Asked Questions

How many formulas are in Class 7 IB MYP Area & Perimeter?+
There are 4 formulas in the Area & Perimeter chapter for Class 7 IB MYP. Each formula is essential for solving problems in this topic.
How to remember Area & Perimeter formulas easily?+
Practice regularly with worked examples, group related formulas together, and use SparkEd's interactive practice mode to reinforce your memory through problem-solving.
Are these Area & Perimeter formulas enough for exams?+
Yes, these formulas cover the complete IB MYP Class 7 syllabus for Area & Perimeter. Practice applying them to different types of questions for full exam readiness.

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