Question

Pls I need help !!!!!!!!!

Answer 1

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`100° + b = 180°`

Because they make straight line.

Also ;

`100° + c = 180°`

Thus :

`b = c`

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`100° + b = 180°`

Subtract sides 100°

`- 100° + 100° + b = 180° - 100° \\`

`b = 80°`

So ,

`b = c = 80°`

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Answer 2

b=100 and c=100

Explanation:

Because 100 is across a no value which is also 100 because they are the same and the b and c sides too so they both are 100