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A triangle has a right angle and an acute angle of 51 degree's and X. What is X? (Number Only) HELP ITS A TEST ​
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A triangle has a right angle and an acute angle of 51 degree's and X. What is X? (Number Only)

HELP ITS A TEST ​

User Justin XL
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1 Answer

4 votes

Answer:

39°

sum of triangle's interior angles: 180°

180°-90°-51°=39°

User Gravian
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