Topic Details (Notes format)

How to Calculate the Area of a Parallelogram

Subject: Mathematics

Book: Maths Mastery

A parallelogram’s area is given by A = base × height. Unlike rectangles, a parallelogram’s sides can be slanted, but the height is always measured perpendicular to the base. For instance, if the base is 10 cm and the perpendicular height is 5 cm, the area is 10 × 5 = 50 cm². This formula is crucial in tasks ranging from designing slanted roofs to analyzing cross-sections in engineering. Knowing parallelogram area also aids in understanding more advanced figures like trapezoids and composite shapes. Mastering this concept offers a solid platform for both academic geometry and practical building projects.

Practice Questions

The base of a triangle is 10 cm and its height is 6 cm. What is its area?

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If a right triangle has legs of 9 cm and 12 cm, what is the length of the hypotenuse?

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A man invests Rs. 5000 at 5% per annum simple interest. What is the total amount after 3 years?

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