The product of 5 and a number K is less than 60

When the ball has traveled a distance of

Ijust need these 2 questions answered (the second pic is just confirmation i'm not confident in that answer)

To prove that angle def = angle dgf by sas, what additional information is needed? def congruent to dgf dfe congruent to dfg de congruent to dg dg congruent to gf