OK, If I understand your question correctly your vertex is at E and the arc is defined by ED or DE.
<span>In this case the measure of angle DEF is just 1/2 of the arc length in degrees or 88 degrees.</span>
only the first statement is true - it is the experimental probability. the rest is incorrect: the ratio is not the number of trials; the theoretical probability should be 0.5 (for unbiased coins); ratio never represents a number of occurences.
Answer:
(30-2)*180 calculate and get ur answer