3 years ago

Find the value of x in the triangle shown below.

Mathematics

2 answers:

Rudiy273 years ago

6 0

The answer is almost certain to be 180

Alekssandra [29.7K]3 years ago

5 0

Answer:

102 degrees.

Step-by-step explanation:

Because the 3.3's are congruent (the same), this triangle is isosceles.

A property of isosceles means that the two angles are congruent.

39+39= 78

This means that the last angle must be 180-78.

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