All figures lie in a plane unless otherwise indicated. You have to decide whether the data given in the statements are sufficient for answering the question. All numbers used are real numbers. A figure accompanying a question is intended to provide information useful in solving the problem. Straight lines may appear jagged.
All figures lie in a plane unless otherwise indicated.
The question presents a sentence, part of which or all of which is underlined. Beneath the sentence you will find five ways of phrasing the underlined part. This question tests correctness and effectiveness of expression. The questions in this group are based on the content of a passage. After reading the passage, choose the best answer to each question.