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formula of area math is fun. A B H where B is the base H is the height and means multiply. Sector Area ½ r 2 th.
Lets try that and see if we get the same answer. When students knowledge of perimeter is quite solid introduce area. Area p r2.
Area ½ b h b base h vertical height.
Square Rectangle Triangle Parallelogram RhombusKite and Trapezium Trapezoid. A length of side. Perimeter 2 a b. Other commonly used formulas for calculating area.