Jawab:
Penjelasan dengan langkah-langkah:
((x+4)+(3x+2))/2 × 2x =180
(4x+6)/2 × 2x =180
4x*+6x=180
4x*+6x-180=0
4x*-24x+30x-180=0
4x(x-6) | 30(x-6)
(4x+30) (x-6)
.............x=6
x+4= 6+4=10
3x+2=(3×6)+2=20
2x=2×6=12
sisi miring pakai tripel phitagoras 12.5.13 . Jd panjang sisi miring 13.
Keliling =20+13+13+10=56
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Jawab:
Penjelasan dengan langkah-langkah:
((x+4)+(3x+2))/2 × 2x =180
(4x+6)/2 × 2x =180
4x*+6x=180
4x*+6x-180=0
4x*-24x+30x-180=0
4x(x-6) | 30(x-6)
(4x+30) (x-6)
.............x=6
x+4= 6+4=10
3x+2=(3×6)+2=20
2x=2×6=12
sisi miring pakai tripel phitagoras 12.5.13 . Jd panjang sisi miring 13.
Keliling =20+13+13+10=56