
8 kl Atstumai, perimetrai, plotai
Authored by Rita Vitkauskiene
Mathematics
8th Grade
Used 57+ times

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22 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Lygiašonio trikampio ABC šoninė kraštinė AB = 17 cm, o pagrindas AC = 16 cm. Apskaičiuokite perimetrą.
33 cm
50 cm
49 cm
54 cm
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jei kvadrato kraštinės ilgis lygus 2,5 cm, tai jo plotas lygus:
6,25 cm2
62,5 cm2
625 m2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jei lygiagretainio pagrindo ilgis 3,2 cm, o aukštinė lygi 1,32 cm tai S lygu
42,24 cm2
4,224 cm2
422,4 cm2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
trapecijos trumpesniojo pagrindo ilgis 4,1 cm, ilgesniojo pagrindo ilgis 12,2 cm, o aukštinės ilgis 4 cm tai plotas S lygus:
32,6 cm2
32,66 cm2
0,3266 cm2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Stačiakampio ilgis lygus 2,1 cm, plotis 1,3 dm. Tai plotas S lygus:
27,3 cm2
27,3 dm2
2,73 dm2
2,73 cm2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Rombo įstrižainių ilgiai lygūs 4,2 cm ir 1,5 dm, o rombo plotas lygus:
6,3 dm2
63 cm2
0,63 dm2
6,3 dm2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trapecijos dviejų pagrindų suma lygi 14 cm, o aukštinė yra 1,2 dm. Trapecijos plotas lygus:
0,84 dm2
8,4 cm2
0,84 cm2
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