10=c+d
c is one more than d
what is the value of c?
with working out

∠aed is formed inside a circle by two intersecting chords. if minor arc bd = 70 and minor arc ac = 180, what is the measure of ∠ aed? a) 45° b) 50° c) 55° d) 60°

What additional information could be used to prove abc =mqr using sas? check all that apply.

Which of the following can be used to explain a statement in a geometric proof?