Area of quadrilaterals
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This document discusses properties and formulas for calculating the areas of parallelograms, rhombuses, and trapezoids. It states that the area of a parallelogram is equal to its base times its height, and that opposite sides of a parallelogram are equal and parallel. The area of a rhombus is half the product of its diagonals. Finally, the area of a trapezoid is half the product of the sum of the parallel sides and the distance between them.
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This document explains how to calculate the total surface area of a rectangular prism. It describes a rectangular prism with dimensions of 7 cm by 4 cm by 10 cm. It identifies that a rectangular prism has 6 faces that come in 3 pairs of opposite and equal sides. It calculates the area of each face by multiplying the corresponding lengths and sums the areas of all 6 faces to get the total surface area, which is 276 cm^2.Ad
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- 3. SUBMITTED BY SREELEKSHMI .TS REG NO : 13386007 MATHS OPTIONAL 2013-2014
- 5. PARALLELOGRAM b=length h=distance b C B D A h
- 6. AREA OF A PARALLELOGRAM IS THE PRODUCT OF ITS BREADTH AND HEIGHT. A = b x h
- 7. IN A PARELLELOGRAM OPPOSITE SIDES ARE EQUAL AND PARALLEL.
- 8. RHOMBUS A C D D d1 d2 d1 d2 A B
- 9. THE AREA OF A RHOMBUS IS HALF THE PRODUCT OF THE DIAGONALS.
- 10. TRAPEZIUM D C a b-a A B E b
- 11. THE AREA OF TRAPEZIUM IS HALF THE PRODUCT OF SUM OF ITS PARALLEL SIDES AND DISTANCE BETWEEN THEM.