maths flashcards

All 19 cards

1. Card 1

   Define adjacent angles and complementary angles.

   Adjacent angles share a common vertex and a common side but do not overlap. Complementary angles are two angles whose sum is 90 degrees.

2. Card 2

   Distinguish between complementary and supplementary angles.

   Complementary angles sum to 90 degrees, while supplementary angles sum to 180 degrees. Both terms describe the relationship between two angles based on their combined measure.

3. Card 3

   What is the name given to a pair of angles that are formed when a transversal intersects two parallel lines, and they are on the same side of the transversal and in corresponding positions?

   This pair of angles is known as corresponding angles. They are equal when the lines intersected by the transversal are parallel.

4. Card 4

   How does an angle of 125 degrees relate to its supplement?

   An angle of 125 degrees has a supplement of 55 degrees, because supplementary angles add up to 180 degrees (180 - 125 = 55).

5. Card 5

   If two lines PQ and RS intersect at T, and angle RTQ is 110 degrees, what are the measures of angle PTS and angle STQ?

   Angle PTS would be 70 degrees because angles RTQ and PTS are vertically opposite angles, and angle STQ would be 110 degrees because angles RTQ and STQ are supplementary angles on a straight line.

6. Card 6

   What is an acute angle?

   An acute angle is an angle that measures less than 90 degrees.

7. Card 7

   What is a straight angle?

   A straight angle is an angle that measures exactly 180 degrees, forming a straight line.

8. Card 8

   Which is an accurate description of α and β if they are next to each other on a straight line?

   • A. α and β are a pair of adjacent, complementary angles.
   • B. α and β are a pair of alternate, complementary angles.
   • C. α and β are a pair of adjacent, supplementary angles. (correct)
   • D. α and β are a pair of alternate, supplementary angles.

9. Card 9

   Which statement is true about an angle of 125°?

   • A. Its complement is 55 o .
   • B. It is an acute angle.
   • C. Its supplement is 55 o . (correct)
   • D. It is a straight angle.

10. Card 10

    What is the name given to the pair of angles that are on opposite sides of the transversal and between the two lines it intersects?

    • A. Co-Interior angles
    • B. Corresponding Angles
    • C. Adjacent Angles
    • D. Alternate Angles (correct)

11. Card 11

    If two lines PQ and RS intersect at T and ∠RTQ = 110°, which statement is true?

    • A. ∠ PTS = 70° and ∠ STQ = 70°
    • B. ∠ PTS = 70° and ∠ STQ = 110° (correct)
    • C. ∠ PTS = 110° and ∠ STQ = 110°
    • D. ∠ PTS = 110° and ∠ STQ = 70°

12. Card 12

    Which type of angles are equal when two parallel lines are intersected by a transversal?

    • A. Co-Interior angles
    • B. Corresponding Angles (correct)
    • C. Adjacent Angles
    • D. Supplementary Angles

13. Card 13

    Explain how vertically opposite angles are formed and what their key property is.

    Vertically opposite angles are formed when two straight lines intersect. They are the angles opposite each other at the point of intersection. Their key property is that they are always equal in measure.

14. Card 14

    Describe the relationship between alternate angles when parallel lines are cut by a transversal.

    When parallel lines are cut by a transversal, alternate angles are found on opposite sides of the transversal and between the parallel lines. These angles are always equal in measure.

15. Card 15

    What are the ordered pairs for points A and B, given that A is at (-3, -2) and B is at (3, -2)?

    • A. A ( -2, -3) and B (2, -3)
    • B. A ( -3, 2) and B (3, 2)
    • C. A ( -3, -2) and B ( -3, 2)
    • D. A ( -3, -2) and B (3, -2) (correct)

16. Card 16

    Which equation describes the ordered pairs in the table where x values are 0, 1, 2, 3 and y values are -2, 1, 4, 7 respectively?

    • A. y = 3x - 2 (correct)
    • B. y = x + 1
    • C. y = x
    • D. y = 2x - 1

17. Card 17

    How can the y-intercept of a straight line be determined from a table of values?

    • A. It is the first y-value in the table.
    • B. It is the value of y when x is 0. (correct)
    • C. It is the value of x when y is 0.
    • D. It is the average of all y-values.

18. Card 18

    What is the gradient of a line that slopes downwards from left to right?

    • A. 0
    • B. 3
    • C. positive
    • D. negative (correct)

19. Card 19

    For the equation y = 2x - 1, complete the table of ordered pairs for x values -1, 1, 3.

    • A. y values: -3, 1, 5 (correct)
    • B. y values: -1, 1, 3
    • C. y values: 0, 2, 4
    • D. y values: -2, 0, 2

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