Draw a symmetrical thingy, the calculations are then simple. I'll let you figure out on your own what calculation is connected with what geometry:
sqrt(24^2+7^2) = 25
25 + 7 = 32
sqrt(32^2+24^2)=40
40/2=20
x = sqrt(25^2-20^2)=15
Draw a symmetrical thingy, the calculations are then simple. I'll let you figure out on your own what calculation is connected with what geometry:
sqrt(24^2+7^2) = 25
25 + 7 = 32
sqrt(32^2+24^2)=40
40/2=20
x = sqrt(25^2-20^2)=15