The document provides information about planes and equations of planes. It defines a plane as a flat surface that extends indefinitely in width and height but has no thickness. Various plane shapes and their area formulas are described. Different forms of equations for a straight line including slope-intercept, point-slope, two-point, and standard forms are derived from the general linear equation. Two and three-dimensional Cartesian coordinate systems are also explained.

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2. Presentation on PLANE Name: Nabeela Hayat Department: Bioinformatics Frontier Women University (Town Campus)

14. Area of Plane Shapes Triangle Area = ½b×h b = base h = vertical height Rectangle Area = b×h b = breadth h = height Trapezoid (US) Trapezium (UK) Area = ½(a+b)h h = vertical height Ellipse Area = πab Square Area = a2 a = length of side Parallelogram Area = b×h b = breadth h = height Circle Area = πr2 Circumference=2πr r = radius Sector Area = ½r2θ r = radius θ = angle in radians

41. End of the presentation THANK YOU Give A BIG Hand