a. 45° = sudut MLN = sudut KLN
b. 30° = sudut MNL = sudut KNL
c. 180°-45°-90° = 45° atau bisa pake (180°-90°)÷2 = 45°
d. sudut KML = sudut LKM = 45°
e. (180°-60°)÷2 = 60°
f. sudut NMK = sudut NKM = 60°
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a. 45° = sudut MLN = sudut KLN
b. 30° = sudut MNL = sudut KNL
c. 180°-45°-90° = 45° atau bisa pake (180°-90°)÷2 = 45°
d. sudut KML = sudut LKM = 45°
e. (180°-60°)÷2 = 60°
f. sudut NMK = sudut NKM = 60°