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= 10×10=100
Selanjutnya hitung kedua segitiga disebelah persegi
16-10=6
L segitiga=1/2×a×t
= 1/2×6×10
= 30
Untuk segitiga yg atas pakai triple pitagoras,
10:12:13
jadi tinggi segitiganya 12cm
L segitiga atas=1/2×10×12
= 60
L total =100+30+60=190