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12-04-2021
Mathematics

contestada

Two of the angles in a triangle measure 56° and 21°. What must be the measure of the third angle?

Respuesta :

Ayeshadua2009 Ayeshadua2009

12-04-2021

Answer:

282

Step-by-step explanation:

56+21 = 78

360-78

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MESSUTUDIENICE MESSUTUDIENICE

12-04-2021

Step-by-step explanation:

the sum of all interior angles in triangle is 180°

180-(56+21)=103°

the third angle is 103°

Answer Link

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