kaiyanbailey kaiyanbailey

02-12-2019
Mathematics

contestada

Work out the size of angle X.

Work out the size of angle X class=

Respuesta :

jimrgrant1 jimrgrant1

02-12-2019

Answer:

x = 70°

Step-by-step explanation:

The external angle of a triangle is equal to the sum of the 2 opposite interior angles.

120° is an external angle of the triangle, thus

x + 50 = 120 ( subtract 50 from both sides )

x = 70

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