Respuesta :

esauazraa2

Answer:

A.) 48°

Step-by-step explanation:

There is a right angle and an angle of 42°

Therefore

x=180-90-42. (sum of int angles of triangle)

x=48°

bearduck101

Answer:

(A) 48

Step-by-step explanation:

Triangles have 180°, so all you have to do is subtract the numbers you already know from 180.

180-42 = 138

The square on the left corner means that degree is a right angle. Right angles are always 90°.

138-90 = 48 degrees

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