1. -3√10+3√15
2. -5√7+7√6
3. 11√3-7√6
4. 3√5-4√7+45
5. 4√5
Answer:
1. X = 14
2.X =13
Step-by-step explanation:
The angles are 90 degrees. I did math to check if the x values are correct and they are.
Answer: concave
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