Respuesta :

reyna75830

Answer:

19.7 cause you add 5.7+7+7

bopitken

Answer:

x=48°

Step-by-step explanation:

1.the triangle is an isosceles triangle

2.cause two of it's sides are equal 7=7

3.by using the sum of angles in a triangle

4.you add the 66°+66° and subtract from 180°

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