What the missing number
2 answers:
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Answer: 84 degrees
Step-by-step explanation:
this triangle is an isosceles triangle meaning two sides are of equal length ( the two sides in this case being the ones marked with the two lines // and // ) and that also means the triangle will have two equal angles (48 and 48) how do we know that? The triangle looks like this essentially: (see image below) where angle a = to angle b
a triangles angles added up always =180 degrees
Since we proved angle a is equal to angle b, we should be able to also subtract them from 180 to find angle c. 48+48=96
and simply subtract 96 from 180 to get 84 degrees.
therefore the angle is 84 degrees
