Rear Projection	Front Projection
Audience Size 50 100 150 200 300 400 500 600 700 800 900 1000 1250 1500 1750 2000 2500 3000	Sq. Ft. Theater Sq. Ft. Rounds of 10 # Rounds Sq. Ft. Classroom 1000 1250 5 1900 2000 2500 10 3800 3000 3750 15 5700 4000 5000 20 7600 6000 7500 30 11400 8000 9600 40 15200 10000 12000 50 19000 10800 14400 60 22800 12600 16800 70 26600 14400 19200 80 28800 16200 21600 90 32400 18000 24000 100 36000 22500 30000 125 45000 27000 36000 150 54000 31500 42000 175 63000 32000 46000 200 68000 40000 57500 250 85000 48000 69000 300 102000	Sq. Ft. Theater Sq. Ft. Rounds of 10 # Rounds Sq. Ft. Classroom 870 1125 5 1577 1740 2250 10 3154 2610 3375 15 4731 3480 4500 20 6308 5220 6750 30 9462 6960 8640 40 12616 8700 10800 50 15960 9396 12960 60 19152 10962 15120 70 22610 12528 17280 80 24480 14094 19440 90 27864 15660 21600 100 30960 19575 27000 125 39150 23490 32400 150 46980 27405 37800 175 54810 27840 41400 200 59160 34800 51750 250 73950 41760 62100 300 88740

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