3 years ago

Can someone please help with this problem

Mathematics

1 answer:

notsponge [240]3 years ago

4 0

Answer:

31 degrees

Step-by-step explanation:

well each three point of a triangle equals 180

so 20+35= 55 180-55= 125

now if the exterior angle is 156 and it should equal 180 the interior angle would be 24 degrees

now we have 24 and 125 so angle ? = 31

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