Page 116 - E-Modul Matematika Kelas V_Neat

(i)

Karena HD  DB dan AB  AD :

2
2
2
2

HB = HD +  AB + AD  ABD siku-siku di A
= HD + DB 2 BDH siku-siku D
2
2
2
2
= t + ( p + l )
2
2
2
= p + l + t

2
2
2
HB = + +
Karena EA  AC dan AB  BC

(ii)

EC = EA + AC ACE siku-siku di A
2
2
2
2
2
2
= EA + ( AB + BC )
2
2
2
2
2
2
= t + ( p + l ) = p + l + t
EC = p2+l2+t2
Jadi, HB = EC = p2+l2+t2

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