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##### Construction Mathematics

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**Construction Mathematics**Using Area And Perimeter Calculations**Brainstorm: How much base molding is required for this**room? What formula would you use? Brainstorm: What other type of construction mathematic applications could this be used for?**Brainstorm: What areas would you break this shape up into**to calculate the floor area minus the corner fireplace?**Let’s Discuss It**Solution: Using the formula for perimeter we will add all sides together to determine the linear feet of molding needed. S1= 5’ +3’+5’=13’ S2-6= 9’+10’+8’+10’+9’= 46’ 46’+13’=59’ This application could also be used to calculate for Wall paper border or crown molding.**SOLUTION: The area could be broken down as follows**A D C B Area A: Triangle Area B : Square Area C; Rectangle Area D: ½ Circle**Formulas**Circle: pie r squared BUT IT IS A HALF CIRCLE SO DIVIDE BY 2**SQUARE & RECTANGLE**SQUARE AND RECTANGLE ARE BOTH LENGTH X WIDTH**TRIANGLE**½ BASE X HEIGHT**IN CONCLUSION**USING BASIC MATH CALCULATIONS ITEMS SUCH AS THE FOLLOWING CAN BE ESTIMATED FOR CONSTRUCTION WALL AREA MOLDING LENGTH FLOOR AREA CEILING AREA