Question

find the unknown angles with step by step


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Answer 1

given,

angle M = x+10°

angle L = 30°

angle N = x-10°

in a triangle, the sum of a interior angles is 180°

hence,

angles M+L+N = 180°

x+10+30+x-10 = 180

2x+30 = 180

2x = 180-30

2x = 150

x = 150÷2 (can be written as 150/2 also)

x = 75

hence, the angles are:

M = x+10 = 75+10 = 85°

N = x-10 = 75-10 = 65°

L = 30°

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Answer 2

Answer:

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Step-by-step explanation:

L = 30°

M = 85°

N = 65°