Penjelasan dengan langkah-langkah:
SUPLEMEN SUDUT
KLN + MLN = 180°
3x + 15 + 2x + 10 = 180°
5x + 25 = 180
••••dibagi 5••••
x + 5 = 36
•••dikali 2 ••••
2x + 10 = 72°
MLN = 2x + 10
Jawab:- Tentukan besar sudut pelurus KLN.= 72°
Penjelasan:Cari x dgn aturan pelurusKLN + MLN = 180(3x+15)+(2x+10) = 1805x+25 = 1805x = 180-255x = 155x = 155/5x = 31Pelurus KLN = MLNMLN = 2x+10MLN = 2(31)+10MLN = 62+10MLN = 72°
(xcvi)
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Penjelasan dengan langkah-langkah:
SUPLEMEN SUDUT
KLN + MLN = 180°
3x + 15 + 2x + 10 = 180°
5x + 25 = 180
••••dibagi 5••••
x + 5 = 36
•••dikali 2 ••••
2x + 10 = 72°
MLN = 2x + 10
MLN = 72° ✔
Jawab:
- Tentukan besar sudut pelurus KLN.
= 72°
Penjelasan:
Cari x dgn aturan pelurus
KLN + MLN = 180
(3x+15)+(2x+10) = 180
5x+25 = 180
5x = 180-25
5x = 155
x = 155/5
x = 31
Pelurus KLN = MLN
MLN = 2x+10
MLN = 2(31)+10
MLN = 62+10
MLN = 72°
(xcvi)