Uchburchaklar xossalariga doir masalalar yechish
Geometriya Uchburchaklar xossalariga doir masalalar yechish. Mavzu:
T e n g t o m o n l i To‘g‘ri burchakli O ‘ t k i r b u r c h a k l iUchburchaklar T e n g y o n l i O ‘ t m a s b u r c h a k l i Turli tomonli
= + Ichki burchak xossasi Tashqi burchak xossasi Teng tomonli∆ xossasi
c = 2a (30°) 90° li∆ O‘tmas burchakli∆ O‘tkir burchakli∆
a = b , = 90° li∆ Teng yonli∆ Teng tomonli∆