What I Know Before proceeding to our lesson in this module, let us first check your prior knowledge for this topic. Answer the questions that follow on a separate sheet of paper. Choose the letter of your answer. 1. Which is NOT an undefined term in geometry? A. angle B. line C. plane 2. What is used to name a point? A. one cursive lowercase letter B. one lowercase letter D. point 1 C. one cursive uppercase letter D. one uppercase letter 3. Which has no width but has a length and extends indefinitely on both sides? A. angle B. line C. plane D. ray​