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TAILERREKO ESKULIBURU TEKNIKOA - Erabili.com

TAILERREKO ESKULIBURU TEKNIKOA - Erabili.com

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2 . I r u d i g e o m e t r i k o a k<br />

L<br />

U erako habe zuzena<br />

Y<br />

¯x<br />

d h<br />

yc<br />

xc<br />

ȳ<br />

s<br />

t<br />

X<br />

b<br />

U erako habe konikoa<br />

Y<br />

s<br />

d<br />

¯x<br />

ȳ<br />

t a<br />

b<br />

yc<br />

xc<br />

h<br />

n<br />

X<br />

¯x = 2b2 s + ht 2<br />

2bd − 2h(b − t)<br />

ȳ = d 2<br />

A = bd − h(b − t)<br />

Ixcxc<br />

= bd3 − h 3 (b − t)<br />

12<br />

Iycyc<br />

= 2sb3 + ht 3<br />

3<br />

− A¯x 2 non A = 2sb + ht<br />

¯x = 1 A<br />

b 2 s + ht2<br />

2 + g 3 (b + 2t)(b − t)2 <br />

ȳ = d 2<br />

A = dt + a(s + n)<br />

Ixcxc<br />

= 1<br />

12 [bd3 − 1<br />

8g (h4 − L 4 )]<br />

Iycyc<br />

= 1 3 [2sb3 + Lt 3 + g 2 (b4 − t 4 )] − A(b − y) 2<br />

g = hegalaren malda = h − L<br />

2(b − t)<br />

(habe estandarrentzako: g = 1 6 )<br />

33

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