A right angled triangle has base ( x + 3) cm and height (x + 8) cm.

Given that its area is 42 cm , calculate the length of the base and height of the triangle.
height should be 15

AAAaannndd the bot gets it wrong yet again!

x=4
the legs are 7 and 12.
But the base is 7 and the height is 12

cm and base should be 12 cm