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3 years ago

Please help me it takes do long to do this please

Mathematics

2 answers:

vladimir1956 [14]3 years ago

3 0

Answer:

I really don't know , I am in 7th grade

Dmitriy789 [7]3 years ago

3 0

Answer:

x = 121°

Step-by-step explanation:

The lower left vertex and 115 are adjacent and supplementary, thus

left vertex = 180° - 115° = 65°

The angle round a point = 360°, so the top vertex is

360° - 304° = 56°

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

x is an exterior angle of the triangle, thus

x = 65° + 56° = 121°

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