Matematika fanidan kompetensiyaviy yondoshuvga asoslangan nazorat ishlari yuzasidan

III CHORAK Geometria IX sinf

5 - nazorat ishi

5 - nazorat ishi

I variant
1. To‘griburchakli uchburchakning katetlari 40 sm va 42 sm ga teng. Unga tashqi chizilgan aylananing radiusini toping.
2. Teng tomonli uchburchakning perimetri sm ga teng. Unga tashqi chizilgan aylananing radiusini toping.
3. Tomonlari 13, 14, 15 bo‘lgan uchburchakka ichki chizilgan aylana radiusini toping.
4. Kvadratga aylanalar ichki va tashqi chizilgan .Agar tashqi chizilgan aylana radiusi sm ga teng bo‘lsa, unga ichki chizilgan aylana radiusini toping.

II variant
1. To‘griburchakli uchburchakning katetlari 20 sm va 15 sm ga teng. Unga tashqi chizilgan aylananing radiusini toping.
2. Kvadratning perimetri sm ga teng. Unga tashqi chizilgan aylananing radiusini toping.
3. Tomonlari 35, 29, 8 bo‘lgan uchburchakka ichki chizilgan aylana radiusini
toping.
4. Muntazam uchburchakka sm radiusli aylana tashqi chizilgan. Ushbu uchburchakka ichki chizilgan aylana radiusini toping.

6 - nazorat ishi

I variant
1. Katetlari 9 va 12 bo‘lgan to‘gri burchakli uchburchakka tashqi chizilgan aylananing uzunlini toping.
2. Gradus o‘lchovi va radiusi 6 sm bo‘lgan aylana yoyining uzunligini toping.
3. Temir yo‘l polotnosining egilish radiusi 4 km, egilish yoyining uzunligi –
392,5 m. Egilish yoyining gradus o‘lchovini toping.
4. Tomoni 6 sm bo‘lgan teng tomonli uchburchakka ichki chizilgan doiraning yuzini toping.


II variant
1. Katetlari 24 va 7 bo‘lgan to‘gri burchakli uchburchakka tashqi chizilgan aylananing uzunlini toping.
2. Gradus o‘lchovi va radiusi 6 sm bo‘lgan aylana yoyining uzunligini toping.
3. Temir yo’l polotnosining egilish radiusi 5km, egilish yoyining uzunligi –
400 m. Egilish yoyining gradus o‘lchovini toping.
4. Tomoni 9 sm bo‘lgan teng tomonli uchburchakka ichki chizilgan doiraning yuzini toping.