Area of different shapes formula pdf

# Area of different shapes formula pdf
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Area = A1 + A2 + A3 + AAcmcmcmcm r =r =° b =a =A1 A2 A5 A3 A4 B is the area of the base and P is the perimeter of the base. The height is measured straight up from the base. A = bh Area of Basic Shapes. The sum of the angles in a triangle is °. The sum of the angles in an n-sided polygon isnn, where n is the number of sides. The area of each is then calculated and added together to determine the overall area. Examplemm. Area and Perimeter Formula Sheet NAME FIGURE AREA PERIMETER CIRCUMFERENCE TRIANGLE A =b × h The s u m of all three side of the triangle B is the area of the base and P is the perimeter of the base. of the base. The sum of the angles in a triangle is °. The height of this parallelogram ism. The sum of the angles in an n-sided polygon isnn, Area, perimeter and volume formulae A = Area, S = Area, P = Perimeter, V = Volume Plane shapes Square A a2 Internal angleP 4a External angle Formula for the area of a parallelogram: A = bh. Use the appropriate area formulas to calculate the requested area of thefigures below; then use these areas to answer all the other area questions. of the base. rate, n is the number of compounds per year Area = n × s × a × Example: n = number of sides =length of side=5cm a = apothem=15cm s Area =××× = cm2 a Circle Area = π × r2 Example: rπ = pi = r = radius = 5cm Area = ×= ××= cm2 r a Surface Area =× a2 Example: a = 5cm Surface Area = cm Surface Area =× ba + la Example Area and Perimeter Formula Sheet NAME FIGURE AREA PERIMETER CIRCUMFERENCE TRIANGLE A =b × h The s u m of all three side of the triangle PARALLELOGRAM A = b ×h The s u m of all four sides of the parallelogram RECTANGLE A = L ×w The s u m of all four sides of the rectangle SQUARE A = s ×s Ax By C, where A, B, and C are integers, A and B are not both zero, and A is positive. cm. =AREA AND VOLUME FORMULAS Areas of Plane Figures Square Rectangle Parallelogram s s b w l h 2A = s A = l w A = b h Triangle Trapezoid Circle h b h bbr d A = ½ b hA = ½ (b+ b 2) h A = πr (π ≈ or) Circumference: C = 2πr = πd Complex shapes for which there are no formulas should be divided into simple shapes.