I poyezd 4 soatda 336 km, avtobus 3 soatda 126 km yo’l bosdi. Avtobusning tezligi poyezd tezligidan necha marta kam? Yechish

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Sana	02.04.2021
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2 - nazorat ishi

I variant

1. To‘g‘ri tburchakli trapeцiyaning o‘tkir burchagi ga teng. Katta

yon tomoni va katta asosi 20 sm dan. Kichik asosini toping.

2. Berilgan: , ׀׀ ׀׀ ׀׀ ׀׀,

.

. ni toping.

3. Uchburchakning tomonlari 8 sm, 5 sm va 7sm ga teng. Berilgan. Uchburchakning o‘rta chiziqlaridan hosil bo‘lgan uchburchak perimetrini toping.

4. Trapeцiyaning perimetri 48 sm; parallel bo‘lmagan tomonlari цa 15 sm va 13 sm ga teng. Trapeцiyaning o‘rta chizig‘ini toping.

II variant

1. To‘g‘ri tburchakli trapeцiyaning o‘tkir burchagi ga teng. Kichik yon tomoni va kicvhik asosi 10 sm dan. Katta asosini toping.

2. Berilgan: , ׀׀ ׀׀ ׀׀ ׀׀,

.

. ni toping.

3. Uchburchakning tomonlari 9 dm, 6 dm va 8 dm ga teng. Berilgan Uchburchakning o‘rta chiziqlaridan hosil bo‘lgan uchburchak perimetrini toping.

4. Trapeцiyaning perimetri 126 sm; parallel bo‘lmagan tomonlari esa 1 30sm va 26 sm ga teng. Trapeцiyaning o‘rta chizig‘ini toping.

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