1. Parallelogrammning burchaklaridan ikkitasining yig'indisi 70 bo'lsa, uning hamma burchaklarini toping?


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1.Parallelogram


1.Parallelogrammning burchaklaridan ikkitasining yig'indisi 70^ bo'lsa, uning hamma burchaklarini toping?

2.ABCD to'rtburchakda AB va CD tomonlar parallel, AB=CD=9 cm, AD=4 cm. Shu to'rtburchakning perwmetrini toping?

3.ABCD to'g'ri to'rtburchakda AB=9 cm, BC=7 cm. C nuqtadan AD tomongacha bo'lgan masofani toping?

4.To'rtburchakning tomonlari 2:4:5:7 kabi nisbatda, peremetri esa 108cm ga teng



Shu to'rtburchakning tomonlarini peremetrini toping?

5.Har ikki burchagi 156^ bo'lgan qavariq ko'pburchakning nechta tomoni bor?
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