Question

I need help with this question please

Answer 1

I hope this helps you



BC^2=12^2+8^2


BC^2=144+64


BC^2=208


BC~14,4



AC^2=12^2+18^2


AC^2=144+324


AC^2=468


AC~21,6



Perimeter=14,4+21,6+18+8


Perimeter=62