Which set of three angles could be the three angles of a triangle?
a) twenty-five degrees, twenty-five degrees, twenty-five degrees
b) fifty degrees, fifty degrees, fifty degrees
c) sixty degrees, sixty degrees, sixty degrees
d) one hundred degrees, one hundred degrees, one hundred degrees

Answer this two poles, ab and ed, are fixed to the ground with the of ropes ac and ec, as shown: two right triangles abc and edc have a common vertex c. angle abc and edc are right angles. ab is labeled 13 feet, ac is labeled 15 feet, ec is labeled 10 feet, and ed is labeled 4 feet.what is the approximate distance, in feet, between the two poles? 11.14 feet16.65 feet14.35 feet15.59 feet