With an expression like this, you have to raise all the terms to the 3rd power. So the 5 will become

,

will become

, the 4 will become

and finally, the

becomes

. If you place all of these together in the same fraction, the new answer equivalent to the initial expression is
Each of the four angles of a quadrilateral measures 90°.
<u>Only</u><u> </u><u>1</u><u> </u>
we can construct using this condition.
as interior angle of quadrilateral and rectangle is 360°
1) 10%
2)12%
3)20%
4)8%
5)50%
<span>10 +- sqrt( 100 + 60 ) / 6
A is the correct answer</span>