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<?php function s($rad){ return M_PI*(pow($rad/2,2)); } $r1=4; $r2=10; $r3=22; echo s($r1); echo "<br>"; $a=$r2; echo s($a); echo "<br>"; echo s(22); ?>
Output for git.master, git.master_jit, rfc.property-hooks
12.566370614359<br>78.539816339745<br>380.13271108436

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