Koonuse TK (Õige/vale)
Authored by Talvi Kaja
Mathematics
9th Grade
Used 5+ times
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5 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Koonus on pöördkeha, mis tekib võrdhaarse kolmnurga pöörlemisel ümber oma kaateti.
Tõene
Väär
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Koonusel Sk=πrm
Tõene
Väär
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Koonuse telglõige on võrdhaarne kolmnurk.
Tõene
Väär
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Koonuse ruumala valem on V = Sph.
Tõene
Väär
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Kui koonuse raadius on 4 cm ja moodustaja on 5 cm, siis tema külgpindala on 80π cm2
Tõene
Väär
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