Question

Find the measure of angle 4. O 130 O 75 O 4 O 69

Answer 1

Step-by-step explanation:

Let angle 4 = x

Now

60° + 45° + x = 180°

reason : Sum of interior angle of triangle is 180° ...

105° + x = 180°

x = 180° - 105°

x = 75°

Hence , the value of angle 4 is 75°

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