Question 956081
The formula for perimeter of
a rectangle is:
{{{ P = 2L + 2W }}}
-----------------
given:
{{{ P = 236 }}} m
{{{ W = 51 }}} m
-----------------
{{{ 236 = 2L + 2*51 }}}
{{{ 2L = 236 - 2*51 }}}
{{{ 2L = 236 - 102 }}}
{{{ 2L = 134 }}}
{{{ L = 67 }}}
The length is 67 m
-------------------
check:
{{{ P = 2L + 2W }}}
{{{ 236 = 2*67 + 2*51 }}}
{{{ 236 = 2*( 67 + 51 ) }}}
{{{ 236 = 2*118 }}}
{{{ 236 = 236 }}}
OK