i i would like to ask if we can combine the three numbers to answer the question? or can't? cause I always answer it with two numbers​

What two criteria are needed for triangles to be similar

Find the value of the variable and the length of each chord for #5 and #6.

A) find the derivative of the inverse to f(x) = 3x + sint at x 6. b) (cale) find the derivative of the inverse to f(x)+3sin at x 6. if x +2y -34, ind he behaviar of the cure at 4,.3), c) a. increasing, concave up d. decreasing, concave down b. increasing, concave down e. decreasing, inflection point c. decreasing, concave up