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[[blank]] [[end page]] [[start page]] [[image: drawings of angles annotated "210"]] [[calculations]] 210 210 ____ 2100 420 _____ 2280/44100 (18 22440 _____ 21300 520 2280/44100 (19342 2280 _____ 21300 20520 _____ 37800 228 21300 20520 _____ 7800 6840 _____ 9600 9120 _____ 4800