mara95
contestada

two interior angles of a triangle are 63 and 28 respectively.what is the size of the third angle​

Respuesta :

gilbertazavedo72

Answer: 89°

Step-by-step explanation:

Sum of the interior angles of a triangle = 180°

Let the third angle be x

x + 63 + 28 = 180

x = 180 -91

x = 89°

ibmkab2009

Answer: 89°

Step-by-step explanation:

Sum of the interior angles of a triangle = 180°

Let the third angle be x

x + 63 + 28 = 180

x = 180 -91

x = 89°

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