have i done this right?? also, can you help with the unanswered question?? i’ll give brainlist and stuff...

What are correct trigonometric ratios that could be used to determine the length of ln

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

To find the inverse of a number a, one can use the equation f(c) = a-1/c=0 where c is the inverse of a use the secant method of finding roots of equations to find the inverse of a = 2.5 ,er = 0.001%