The measure of angel B is (3x - 4)º and the measure of angel D is (2x - 6)°. What are the measures of angles B and D?
1 answer:
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we know that
A perfect cube is a whole number which is the cube of another whole number or a number is a perfect cube if the cube root of that number is a whole number.
so
<u>case a)</u>
the cube root of is not a whole number
therefore
<em><u>The expression is not a perfect cube</u></em>
<u>case b)</u>
the cube root of is not a whole number
the cube root of is not a whole number
therefore
<em><u>The expression is not a perfect cube</u></em>
<u>case c)</u>
therefore
<em><u>The expression is a perfect cube</u></em>
<u>case d)</u>
the cube root of is not a whole number
therefore
<em><u>The expression is not a perfect cube</u></em>
<u>the answer is</u>