Answer:
<h2>The triangle is not right triangle</h2>
Step-by-step explanation:
The steps in the above photo
I hope that is useful for you :)




Divide -20 by 5 to get -4.

Multiply -4 and -3 to get 12.

Multiply 4 and -2 to get -8.

Multiply -8 and -1 to get 8.

Add 12 and 8 to get 20.

Calculate 4 to the power of 2 and get 16.

Subtract 16 from 20 to get 4.

Step-by-step explanation:
T=D/S
D=360m
S=12m/s
360m÷12m/s
Time=30s