
8kl lygiagretainio ir trapecijos plotas
Quiz
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
Renaldas Ivanauskas
Used 22+ times
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12 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 3 pts
Lygiagretainio vienos iš kraštinių ilgis yra 54 cm. Aukštinės, nubrėžtos į tą kraštinę ilgis yra tris kartus mažesnis už kraštinę. Kam lygus lygiagretainio plotas?
216
486
144
972
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Kokią formulę naudojame apskaičiuodami trapecijos plotą?
S= a x h
S= (a+b) x h /2
S= (a+b) x h
S= (a x h) / 2
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Kokią formulę naudojame norėdami rasti trapecijos kraštinės a ilgį?
a= 2S/h - b
a= S/h - b
a= 2S/h - a
a= 2s/h - 2b
4.
MULTIPLE CHOICE QUESTION
2 mins • 2 pts
Trapecijos pagrindų ilgiai yra 32 cm. Aukštinės, nubrėžtos tarp pagrindų ilgis 12 cm. Kam lygus trapecijos plotas?
192
64
384
176
5.
MULTIPLE CHOICE QUESTION
2 mins • 3 pts
Apskaičiuokite keturkampio plotą
S=2210 cm2
S=4058 cm2
S= 924 cm2
S= 3134 cm2
6.
MULTIPLE CHOICE QUESTION
2 mins • 3 pts
Apskaičiuokite BE ilgį.
48 cm
8 cm
4 cm
2 cm
7.
MULTIPLE CHOICE QUESTION
2 mins • 2 pts
Trapecijos pagrindų ilgiai yra 14 cm ir 12 cm. Trapecijos aukštis yra 6 cm. Kam lygus trapecijos plotas?
1008 cm2
312 cm2
156 cm2
78 cm2
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