Seudónimo Seudónimo
  • 12-02-2021
  • Mathematics
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I will give brainliest to the Correct answer

I will give brainliest to the Correct answer class=

Respuesta :

PlXlES
PlXlES PlXlES
  • 12-02-2021

it's a because b and c are 170 or lower and d is over 190

JUST ADD IF ANY OF THEM EQUAL 180 THEN ITS A TRIANGLE

Answer Link
musiclover10045
musiclover10045 musiclover10045
  • 12-02-2021

The three angles of a triangle need to equal 180 when added together.

Add the three angles together and see which one equal 180.

The answer would be A. 89.1, 45.1, 45

Answer Link

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