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Find a missing base or height from a triangle's area

6th grade (Year 7 in England) · 16 questions · Common Core: 6.G.A.1, 6.EE.B.7 · England: KS3 Geometry and measures

Name

Date

Score/ 16

  1. Question 1

    A right triangle has legs b and 3 m. Its area is 6 m². Find b, in m.

    b3 m

    Answer

  2. Question 2

    A triangle has area 82.5 cm² and base 11 cm. What is its height, in cm?

    11 cm

    Answer

  3. Question 3

    A right triangle has legs b and 11 m. Its area is 55 m². Find b, in m.

    b11 m

    Answer

  4. Question 4

    A triangle has area 27.5 cm² and base 11 cm. What is its height, in cm?

    11 cm

    Answer

  5. Question 5

    A right triangle has legs b and 3 m. Its area is 13.5 m². Find b, in m.

    b3 m

    Answer

  6. Question 6

    A triangle has area 84 cm² and base 14 cm. What is its height, in cm?

    14 cm

    Answer

  7. Question 7

    A right triangle has legs b and 2 m. Its area is 7 m². Find b, in m.

    b2 m

    Answer

  8. Question 8

    A triangle has area 13 cm² and base 13 cm. What is its height, in cm?

    13 cm

    Answer

  9. Question 9

    A right triangle has legs b and 9 m. Its area is 36 m². Find b, in m.

    b9 m

    Answer

  10. Question 10

    A triangle has area 17.5 cm² and base 7 cm. What is its height, in cm?

    7 cm

    Answer

  11. Question 11

    A right triangle has legs b and 8 m. Its area is 24 m². Find b, in m.

    b8 m

    Answer

  12. Question 12

    A triangle has area 97.5 cm² and base 15 cm. What is its height, in cm?

    15 cm

    Answer

  13. Question 13

    A right triangle has legs b and 14 m. Its area is 84 m². Find b, in m.

    b14 m

    Answer

  14. Question 14

    A triangle has area 27.5 cm² and base 5 cm. What is its height, in cm?

    5 cm

    Answer

  15. Question 15

    A right triangle has legs b and 6 m. Its area is 42 m². Find b, in m.

    b6 m

    Answer

  16. Question 16

    A triangle has area 48 cm² and base 12 cm. What is its height, in cm?

    12 cm

    Answer

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Answer key: Find a missing base or height from a triangle's area

  1. 1. 4

  2. 2. 15

  3. 3. 10

  4. 4. 5

  5. 5. 9

  6. 6. 12

  7. 7. 7

  8. 8. 2

  9. 9. 8

  10. 10. 5

  11. 11. 6

  12. 12. 13

  13. 13. 12

  14. 14. 11

  15. 15. 14

  16. 16. 8