Maydanii 144 sm2, biyikliklerii 8 sm ha'm 12 sm bolg'an parallelogramnin' perimetrini tabin', 60, 30, 45, 20, Parallelogramnin' qaptal ta'repi 3 ge ten' ha'm ol kishi dioganalg'a perpendikulyar. Parallelogramnin' maydani 12 sm2 ga ten' bolsa, onin' ultang'a tusirilgen biyikligin tabin', 1,2, 2,4, 2,6, 1,4, Parallelogramnin' 5 ke ten' bolg'an dioganali onin' 12 ge ten' bolg'an ta'repine perpendikulyar. parallelogramnin' perimetrin tabin'?, 25, 30, 45, 50, Parallelogramnin' qaptal ta'repi onin' kishi dioganalina ten' ha'm og'an perpendikulyar. Parallelogramnin' maydani 32 sm2 bolsa, onin' ultanina tu'sirilgen biyiklikti tabin', 8, 4, 9, 5, Parallelogramnin' muyeshleriden biri 150o qa ten'. Onin' 6 g'a ten' bolg'an dioganali qaptal ta'repine perpendikulyar. Parallelogramnin' perimetrin tabin'., 12(√3 +2), 12, 12√3, 6(√3+2), Parallelogramnin' dioganali ta'repleri menen 20o ha'm 50o li' muyeshler payda etedi. Parallelogramnin' u'lken muyeshin tabin', 150, 120, 110, 115, Parallelogramnin' ta'replerinen biri ekinshisinen 4 ma'rte u'lken. Eger parallelogramnin' perimetri 20√2 ge, su'yir mu'yeshi 45o qa ten' bolsa, onin' maydanin tabin', 16, 10√2, 12, 16√2, Muyeshleriden biri 45o bolg'an parallelogramnin' 4 ke ten' dioganali qaptal ta'repine perpendikulyar. Parallelogramnin' perimetrin tabin', 32, 8(1+√2), 16√2, 24, ABCD parallelogramnin' AC dioganalina BO perpendikulyar tu'sirilgen. AO=8, OC=6 ha'm BO=4, bolsa, parallelogramnin' maydanin tabin', 50, 28, 56, 52, ABCD parallelogramnin' perimetri 10 g'a ten'. ABD ushmuyeshtin' perimetri 8 ge ten'. BD dioganaldin' uzinlig'in tabin'., 3, 4, 2, 3,5, Parallelogramnin' ta'repleri 11 ha'm 23 ke, dioganallari' qatnasi 2:3 ke ten'. Onin' u'lken dioganalin tabin', 18, 27, 20, 30, Parallelogramnin' bir ta'repi sol ta'repke tu'sirilgen biyiklikten 3 ma'rte u'lken. Eger parallelogramnin' maydani' 48 ge ten' bolsa onin' sol ta'repin tabin', 12, 16, 8, 24.

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