Question

Measures of two angles of a triangle are the same and the third angle is 80ᵒ. Find the measure of each angles. ​

Answer 1

In a triangle the sum of angles is 180°

let the two same angles be x

2x+80°=180°

2x=180-80

2x=100

x=50°

Therefore the three angles are 80°,50°,50°

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Answer 2

Answer:

Refer to below:--

Step-by-step explanation:

$\: \: \\ \tt \red{ 2x + 80 = 180} \: \: \: \\ \\ = \tt \blue{2x = 180 - 80} \\ \\ = \tt \green{2x = 100} \: \: \: \: \: \: \: \: \: \\ \\ = \tt \pink{x = \frac{100}{2} } \\ \\ = \tt \orange{x = 50} \: \: \: \: \: \: \: \ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \:$