Points, lines, planes and segments: names, notation and lengths

Answer Key - Grade 10 Math Worksheet - Building Confidence

Circle the best answer, or write your answer on the line.

1. 1.

   Milo points a desk lamp at the wall. Which name fits the figure?

   • segment DF
   • line DF
   • ray FD
   • ray DF
2. 2.

   Noah stretches yarn between two pins on a corkboard. Which name fits the figure?

   • point G
   • ray GH
   • segment GH
   • line GH
3. 3.

   Pia draws a toy train track that never ends. Which name fits the figure?

   • segment QS
   • point Q
   • line QS
   • ray QS
4. 4.

   Ren shines a lamp across the gym. Which name fits the figure?

   • line UV
   • ray VU
   • ray UV
   • segment UV
5. 5.

   Tala cuts a paper strip into two pieces at point F. DF = 9 cm and DG = 23 cm. How long is FG, in cm?

   14
6. 6.

   Zee rides a straight bike path from H to S, with a water stop at Q. HQ = 14 m and HS = 31 m. How long is QS, in m?

   17
7. 7.

   Bo follows a straight toy-train track with a station at D. YD = 26 m and YG = 45 m. How long is DG, in m?

   19
8. 8.

   Jun sews buttons onto a shirt. Collinear points all lie on one line. Which three points are collinear?

   • Q, S and U
   • S, U and V
   • Q and V only
9. 9.

   Kira plants trees along a straight path in the park. Collinear points all lie on one line. Which three points are collinear?

   • W, D and G
   • Y and G only
   • W, Y and D
10. 10.

    Milo lines up lamps along a hallway. Collinear points all lie on one line. Which three points are collinear?

    • H, S and U
    • F and U only
    • F, H and S