Triangles A B C and F D E are shown. Angle A C B is 83.5 degrees. Angle D E F is 62.7 degrees. The lengths of sides B C and D E are congruent. The lengths of sides E F and C A are congruent.
Given Line segment A C is-congruent-to line segment F E and Line segment C B is-congruent-to line segment E D which statement is correct?

AB = FD
AB < FD
AB > FD
AB ≤ FD

the following key ideas correctly express the key sentence.

restate key idea: most people can learn to swim in ten short lessons.

restate key idea: the majority of water-accident victims require mouth-to-mouth breathing.

restate key idea: an empty, tightly closed gallon jug will support a tired swimmer.  

restate key idea: first aid is to prevent accidents as well as assist in rescue.

explanation: the key idea needs to have the same topic as the key sentence (drowning and safety).

a. inform

explanation:

"how to" tells us that it will explain how to, which means to inform