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25 votes
25 votes
Decide whether ABC is a right angle triangle

User Kviksilver
by
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2 Answers

22 votes
22 votes

Answer:

AC = 22 - 8 - 5 = 9

AC² = AB² + BC²

81 = 64 + 25

81 is not equal to 89

Explanation:

User MikeZ
by
3.1k points
27 votes
27 votes
The triangle is not a right angle

AC = 22 - 8 - 5 = 9
AC² = AB² + BC²
81 = 64 + 25
81 isn't equal to 89, the triangle is not a right angle
User Mike Freedman
by
2.7k points