7400100087

Question: 
Consider triangle $ABC$, where $|AB| = c$, $|AC| = b$, and $|BC| = a$. Let $\alpha$ be the angle at vertex $A$, $\beta$ be the angle at vertex $B$, and $\gamma$ be the angle at vertex $C$. Three of the given sets of side lengths specify a right triangle $ABC$ with a right angle at vertex $C$ (the side lengths are rounded to one decimal place). Identify those sets.
Project ID: 
7400100087
SubArea: 
Answer 1: 
$a=4$, $b=3$, $c=5$
Answer 1 Correct: 
1
Answer 2: 
$a=6$, $b=4$, $c=7.2$
Answer 2 Correct: 
1
Answer 3: 
$a=9$, $b=1$, $c=9.1$
Answer 3 Correct: 
1
Answer 4: 
$a=6$, $b=2.2$, $c=5.4$
Answer 4 Correct: 
0
Answer 5: 
$a=4$, $b=4.1$, $c=5$
Answer 5 Correct: 
0
Answer 6: 
$a=5$, $b=6$, $c=7$
Answer 6 Correct: 
0
Answer 7 Correct: 
0
Answer 8 Correct: 
0