Objective: To find areas of regular polygons

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Presentation transcript:

Objective: To find areas of regular polygons 11.3 Area of Regular Polygons Objective: To find areas of regular polygons

Area Formulas Area of a square A = s2 A = b.h or A = l.w Objective: To find areas of regular polygons Area Formulas s Area of a square A = s2 A = b.h or A = l.w b h l Area of a rectangle w h b Area of a parallelogram A = b.h A = b.h b h Area of a triangle

Area Formulas b1 b2 h A = h(b1+b2) Area of a trapezoid A = (d1)(d2) Objective: To find areas of regular polygons Area Formulas b1 b2 h A = h(b1+b2) Area of a trapezoid A = (d1)(d2) d2 d1 Area of a rhombus d2 d1 A = (d1)(d2) Area of a kite

Examples A = (9)(3) = 27 A = (5)(4) = 20 A = (15)(8) = 120 Objective: To find areas of regular polygons Examples A = (9)(3) = 27 A = (5)(4) = 20 A = (15)(8) = 120

Examples A = (6)(12) = 72 A = (9)(11) = 99 A = (10)(16) = 160 Objective: To find areas of regular polygons Examples A = (6)(12) = 72 A = (9)(11) = 99 A = (10)(16) = 160

Objective: To find areas of regular polygons Examples

Objective: To find areas of regular polygons Examples A = 92 = 81

Objective: To find areas of regular polygons Examples

Examples Objective: To find areas of regular polygons

Examples Objective: To find areas of regular polygons