Answer:
AC=9 cm
ABC is not a right angled triangle
Step-by-step explanation:
AB=8cm
BC=5cm
22=AB+BC+AC
AC=22-8-5
AC=9
since AC is the longest,
using Pythagoras theorem
AC^2=BC^2+AB^2
9^2=8^2+5^2
81=64+25
81=89
therefore, it is not a right angled triangle
Answer:
5
Step-by-step explanation:
Answer:
The opposite of -11 is 11, and I dont understand what else you're asking
Step-by-step explanation:
Answer:
The first 3
Step-by-step explanation:
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