A is one solution
Sorry this is all I could I help you with good luck
R= <span><span>√<span><span>x²</span>+<span>y²</span></span></span>
</span> = 16 or <span><span>(<span>x²</span>+<span>y²</span>)</span>
</span> = <span><span>16²</span>
</span>
A. 49.3 (I hope I’m not too late)