d. 8
step-by-step explanation:
the given radical expression is:
we can rewrite this as:
we express as square numbers to get;
the exponents will now cancel out to give.
the correct answer is d
step-by-step explanation :
we know that
the measurement of the outer angle is the semi-difference of the arcs which comprises
in this problem
m< xzy is the outer angle
substitute the values
the measure of angle xoy is equal to
> by central angle
substitute the value