the triangle in this question is not drawn accurately. Use Pythagoras theorem to explain why triangle a must be a right angle

169/13=13

Step-by-step explanation:

12*12=144

5*5=25

144+25=169

Square root of 169=13

We know the triangle in a right triangle because of the pythagoras theorem: 5^2+12^2=13^2

25 + 144 equals 169, making it a right triangle since the equation works.

Step-by-step explanation:

I tried to explain this the best i could, hope it works :)