Question

Find measure of ELF showing all steps pls help

Answer 1

Explanation:

Arcs labeled are intercepted arcs of central angles.

Can find measure of arc LA using 360-72-180-56=52 degrees.

Angle ELF is an angle formed by a chord and a tangent.

`m\angle ELF = (1)/(2) \cdot m \overset \frown{EL} \\=(1)/(2)(56+52) = (1)/(2)(108)=54^(\circ)`