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ID number:962097
 
Author:
Evaluation:
Published: 17.04.2012.
Language: Latvian
Level: Secondary school
Literature: n/a
References: Not used
Extract

Konuss
Konuss ir rotācijas ķermenis, kas izveidojas, taisnleņķa trijstūrim rotējot ap asi, uz kuras atrodas trijstūra katete.
Veidule ( l ) ir nogrieznis, kas savieno konusa virsotni ar konusa pamata riņķa līnijas kādu punktu.
R - konusa pamata rādiuss
l - konusa veidule
H - konusa augstums

Ssānu = πRl
Spam. = πR2
Spilns = Ssānu + Spam.= πRl + πR2= πR(R+l)
V = ⅓Spam.* H= ⅓ πR2* H

Aprēķini
Ssānu = πRl= π6,5* 14= 91π cm2
Spam.= πR2= π6,52= 42,25π cm2 ~ 42,3π cm2
Spilns = πRl + πR2= 91π + 42,3π = 133,3π cm2
V= ⅓ πR2* H= ⅓* 42,3π* 13= ⅓* 549,9π= 183,3π cm3 …

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