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Transcript

Name ______________ Period ______ Date ________ 1.9 Worksheet Write the words or symbols that make each statement true. 1. 2. 3. 4. 5. 6. 7. 8. Line AB is written in symbolic form as _______________. Line segment AB is written in symbolic form as _______________. Ray AB is written in symbolic form as _______________. Angle ABC is written in symbolic form as _______________. The point where two rays of an angle meet is called the _______________. The geometric tool used to measure the size of an angle is called a _______________. Segment AB is parallel to segment CD is written in symbolic form as _______________. Line AB is perpendicular to line CD is written in symbolic form as _______________. Identify each statement as true or false. 9. An angle is measured in degrees. _______________ 10. An acute angle is an angle whose measure is less than 90. _______________ 11. An obtuse triangle has exactly one angle whose measure is greater than 90. __________ 12. A diagonal is a line segment that connects any two vertices of a polygon. ____________ 13. If the measures of two angles add up to 90, then they are supplementary. ___________ 14. If two lines intersect forming a right angle, then the lines are perpendicular. __________ 15. An angle bisector is a ray or line segment that divides an angle into two angles of equal measure. _______________ 16. A median of a triangle is a line segment from a vertex to the midpoint of the opposite side. _______________ 17. A trapezoid is a device used to capture zoids. _______________ 18. A rhombus is a parallelogram with all the sides the same measure. _______________ Draw a triangle that fits each name. If impossible, write not possible. Use your geometric tools to make your drawings as accurate as possible. 19) Scalene triangle 20) Scalene acute triangle 21) Obtuse isosceles triangle 22) Isosceles right triangle 23) Equilateral right triangle 24) Scalene isosceles triangle