Area = 2,576 cm
Perimeter = 20 cm
Answer: look at the picture
Step-by-step explanation: Hope this help :D
The pictures won’t load for some reason
Answer:
No
Step-by-step explanation:
you can check with the pythagorean theory
![8^{2}+9^{2} =12^{2}](https://tex.z-dn.net/?f=8%5E%7B2%7D%2B9%5E%7B2%7D%20%3D12%5E%7B2%7D)
64 + 81 = 144
145 = 144
this is not true, therefore those side lengths do not make a right triangle.