Question

Soal :

Besar pelurus sudut ∠KLN adalah....???

Answer 1

Verified answer

Sudut KLN + Sudut MLN = 180°
(3x + 15)° + (2x + 10)° = 180°
5x° + 25° = 180°
5x° = 155°
x° = 31°

Sudut KLN = (3x + 15)°
= 3 × 31° + 15°
= 93° + 15°
= 108°

Answer 2

Nilai x
3x+15+2x+10 = 180°
= 180-(15+10)
3x+2x = 180-25
5x = 155
x = 31°

sudut kln
= (3×31)+15
= 93+15
= 108°

pelurus
= 180-108
= 72°