X = 12.25 and I’m typing this to get to 20 characters
Answer:
The numbers on the axis need to follow a repeating pattern
I think it's the last one coz in the graph, 50 jumps to 58 which breaks the repeating rule of 5
It’s false!!! Hope this helped;)
by pythagorean formula, the last side is √(61)
by cos rule
cos A

A = 39.81
It should be 5√3
Because 25 x 3 = 75
√25=5 so u bring that out and keep the 3 in because it’s a prime number