Mavzu: Geometriyada isbotlashga oid masalalar Geometrik masalalar yechish metodlari haqida

3 – topshiriq:

1. 
   tеnglamaning yechimlar to‘plamini toping.
   
2. 
   tеngsizlikning yechimlar to‘plami tоpilsin.
   
3. 
   - 5х + 6 = 0 tеnglamaning yechimini toping.
   
4. 
   tenglamani yeching.
   
5. 
   tengsizlikni yeching.
   

4 – topshiriq:

1. 
   Uchburchakning asosi 26 ga, yon tomonlari 13 va 19 ga teng. Asosiga tushirilgan medianasini toping.
   
2. 
   Berilgan a,b,c tomonlari bo`yicha uchburchak yasang
   

a=2 sm, b=3 sm, c=4 sm

3. 
   Quyidagi ma`lumotlarga ko`ra ABC uchburchakni yasang:
   

1. 
   Ikki tomoni va ular orasidagi burchakka ko`ra:
   

1. 
   AB=5 sm, AC=6 sm, 40⁰
   

2. 
   Bir tomoni va unga yopishgan burchaklari bo`yicha:
   

AB=6 sm, , 50⁰

4. 
   Ikki tomoni va bu tomonlardan kattasi qarshisida yotuvchi burchagi bo`yicha uchburchak yasang:
   

a=6 sm, b=4 sm, 70⁰



5 – topshiriq:

1. Agar to`gri to`rtburchakning yuzi 48 sm asosi 8 sm bo`lsa, uning bo`yini toping.

2. Agar uchburchakning asosi 9 sm balandligi 15 sm bo`lsa, yuzini toping.
3. Parallelogramning asosi 6 m va mos balandligi 7 sm bo`lsa uning yuzini toping.
4. Trapetsiyaning balandligi 5 m kichik asosi 6 sm va katta asosi kichik asosidan ikki yarim marta katta bo`lsa trapetsiyaning yuzini toping.
5. 3 ta tomoniga ko`ra uchburchakning yuzini toping: a=5, b=5, c=6