How would you explain what it means for two geometric shapes to be similar?

Hey free points ! people i have a few math questions on my profile consider looking at them i have to get done in 30 mins!

Consider the following equation. 1/2x^3+x-7=-3sqrtx-1 approximate the solution to the equation using three iterations of successive approximation. use the graph below as a starting point. a. b. c. d.

Tamar is measuring the sides and angles of tuv to determine whether it is congruent to the triangle below. which pair of measurements would eliminate the possibility that the triangles are congruent