number 7:
In ABC triangle, AB= 1.8cm, BC= 8cm and AC= 8.4cm
Does this triangle contain a right angle? If your answer is ‘yes’, state which angle it is and justify your answer
pls help
![number 7 In ABC triangle AB 18cm BC 8cm and AC 84cm Does this triangle contain a right angle If your answer is yes state which angle it is and justify your answ class=](https://us-static.z-dn.net/files/d83/6b684674d3d1338e5d065dfb722ca03d.png)