Question

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Answer 1

hi

Answer 2

Since the 2 sides either side of 48 are equal the triangle is known as isosceles

and it follows that teh two UNKNOWN angles are EQUAL (i.e. they are both x)

now the sum of the 3 angle in a triangle is 180 deg

so write an equation 48 +?? = 180

you can then solve what x is