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KM kuadrat = LM kuadrat + KL kuadrat
13 kuadrat = 5 kuadrat + KL kuadrat
KL = 12 CM
L segitiga KMN = 1/2(5 x 12)
= 30 cm persegi
L seluruh sisi tegak
Kell alas x tinggi
(5 + 12 + 5 + 12) x 16
34 x 16
544
b. 1/2 . 5 . 12
= 30 cm²
c. luas sisi tegak
2.( 16 x 5 ) + 2.( 16 x 12 )
160 + 384
544 cm²
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