Question

Find the third angle of a triangle if two of its angles are 55° and 45°​

Answer 1

Answer:

80°

Step-by-step explanation:

as 55°+45°=100°

so third angle = 80°

as a triangle has total180°

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Answer 2

Answer:

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Step-by-step explanation:

we know that angle a+angle b+angle c=180°

55+45+x=180

100+x=180

x=180-100

x=80°