1 answer:
Answer:
Step-by-step explanation:
a). Equation: m∠K + 40° + 60° = 180°
[Since, these angles are located at a point of a straight line so they are supplementary angles]
b). m∠K = 180° - 100°
m∠K = 80°
c). Equation: m∠M + m∠K = 180°
[Since, ∠M and ∠K are the supplementary angles]
d). m∠M + 80° = 180°
m∠M = 180 - 80
= 100°
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