# QRT-3-MATH-7-WEEK-1-2.docx - PHILIPPINE CENTRAL ISLANDS...

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PHILIPPINE CENTRAL ISLANDSCOLLEGESan Jose, Occidental MindoroMathematicsQuarter III – Module 1 - Week 1 & 2Basic Concepts in Geometry andKinds of AnglesWhat I know1
Before proceeding to our lesson in this module, let us first check your prior knowledge forthis topic. Answer the questions that follow on a separate sheet of paper. Choose the letter ofyour answer.1. Which isNOTan undefined term in geometry?2. What is used to name a point?3.Which has no width but has a length and extends indefinitely on both sides?4.What term is illustrated by the figure shown above?A. angleB. lineC. planeD. segment5.Which is the correct name of the figure?6.Which is a subset of a line that has one endpoint and extends indefinitely on one side?7.Which is a subset of a line which has two endpoints.A.B.9.Which illustrates a ray?10. Which shows a line segment?11.An angle that measures less than 90but more than 012.If mABC is 130o, then it is a/an _______.A.acute angleB. obtuse angleC. right angleD. straight angle28.The figure for ray AB is this. Which is wrong in the precedingstatementAH
13.Which of the following figure shows an acute angle?A.B.C.D.
14.An angle whose measure is exactly 90ois a/an _______.
15.What instrument is used to measure an angle?
Lesson 1; Undefined Terms in GeometryWhat’s InThis module marks the start of another chapter on our lessons in Mathematics for Grade7 learners. For the entire quarter, we will be discussing topics about Geometry – the branch ofmathematics that deals with the measurement, properties, and relationships of points, lines,angles, surfaces, and solids.I am sure you already have an idea about Geometry since this topic is also discussed on lowergrade levels. To check your previous knowledge, answer the activity below.Directions: The array of letters below includes ten basic geometric terms including the twowords already marked. These words are arranged horizontally, vertically, and diagonally. On aseparate piece of paper, list down all the geometric terms that you can find.

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Term
Fall
Professor
Maxine
Tags
Line segment, Lower case, Capital letter