PERIMETER AND AREA.pptx ppt ppt ppt ppt
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The document outlines various geometric concepts related to perimeter and area for shapes like parallelograms, circles, and triangles. It provides formulas for calculating the area of a parallelogram, the circumference of a circle, and the area of a triangle. Key formulas include the area of a parallelogram as base times height, the circumference of a circle as π times diameter, and the area of a triangle as half of base times height.
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PERIMETER AND AREA.pptx ppt ppt ppt ppt
- 2. PERIMETER AND AREA Area of paralallogram The formula to calculate the area of a parallelogram is given as Area of parallelogram = (base × height square units.
- 3. CIRCUMFERENCE OF CIRCLE • The circumference is the distance around a circle or the length of a circle. We can find the circumference of a circle using the radius or diameter. Circumference formula = π× Diameter; Circumference = 2πr.
- 5. s Area of paralallogram= bX h square units
- 6. AREA OF TRIAREANGLE The area of a triangle is defined as the total region that is enclosed by the three sides of any particular triangle. Basically, it is equal to half of the base times height, i.e. A = 1/2 × b × h. Hence, to find the area of a tri-sided polygon, we have to know the base (b) and height (h) of it.
- 7. • Area of triangle = 1/2 × base × height • Observe the following figure to see the base and height of a triangle.