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Common Core 7.G.A.2 worksheet

7th grade (Year 8 in England) · 16 questions · Common Core: 7.G.A.2, 8.G.A.5 · England: KS3 Geometry and measures, GCSE Foundation Geometry and measures

Name

Date

Score/ 16

  1. Question 1

    Can sticks of length 8 cm, 9 cm and 11 cm make a triangle?

    • A. Yes
    • B. No

  2. Question 2

    In a triangle, two angles are 32° and 96°. One side is extended to make an exterior angle next to the third angle. How big is that exterior angle?

    Answer

  3. Question 3

    An isosceles triangle has two equal base angles of 57°. What is the third angle?

    57°57°?

    Answer

  4. Question 4

    The angles of a triangle are 2x, 3x and 4x. What is the largest angle, in degrees?

    Answer

  5. Question 5

    Two sides of a triangle are 3 cm and 4 cm. The third side is a whole number of cm. What is the smallest it can be?

    Answer

  6. Question 6

    Can sticks of length 8 cm, 11 cm and 21 cm make a triangle?

    • A. Yes
    • B. No

  7. Question 7

    In a triangle, two angles are 25° and 47°. One side is extended to make an exterior angle next to the third angle. How big is that exterior angle?

    Answer

  8. Question 8

    An isosceles triangle has a top angle of 24°. The other two angles are equal. What is each of them?

    ??24°

    Answer

  9. Question 9

    The angles of a triangle are x, 3x and 5x. What is the largest angle, in degrees?

    Answer

  10. Question 10

    Two sides of a triangle are 6 cm and 11 cm. The third side is a whole number of cm. What is the smallest it can be?

    Answer

  11. Question 11

    Can sticks of length 5 cm, 2 cm and 5 cm make a triangle?

    • A. Yes
    • B. No

  12. Question 12

    In a triangle, two angles are 38° and 58°. One side is extended to make an exterior angle next to the third angle. How big is that exterior angle?

    Answer

  13. Question 13

    An isosceles triangle has a top angle of 110°. The other two angles are equal. What is each of them?

    ??110°

    Answer

  14. Question 14

    The angles of a triangle are x, 2x and 6x. What is the largest angle, in degrees?

    Answer

  15. Question 15

    Two sides of a triangle are 4 cm and 13 cm. The third side is a whole number of cm. What is the greatest it can be?

    Answer

  16. Question 16

    Can sticks of length 10 cm, 2 cm and 14 cm make a triangle?

    • A. Yes
    • B. No

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Answer key: Common Core 7.G.A.2 worksheet

  1. 1. A. Yes

  2. 2. 128

  3. 3. 66

  4. 4. 80

  5. 5. 2

  6. 6. B. No

  7. 7. 72

  8. 8. 78

  9. 9. 100

  10. 10. 6

  11. 11. A. Yes

  12. 12. 96

  13. 13. 35

  14. 14. 120

  15. 15. 16

  16. 16. B. No

7.G.A.2 Worksheet: Missing angles in triangles, including… | Eurekami