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Area of triangles

6th grade (Year 7 in England) ¡ 16 questions ¡ Common Core: 6.G.A.1 ¡ England: Y6 Measurement, KS3 Geometry

Name

Date

Score/ 16

  1. Question 1

    A right triangle has legs of 3 yd and 15 yd. What is its area, in yd²?

    3 yd15 yd

    Answer

  2. Question 2

    A triangle has base 12 m and perpendicular height 16 m. What is its area, in m²?

    12 m

    Answer

  3. Question 3

    A triangle has area 8 cm² and base 4 cm. What is its height, in cm?

    Answer

  4. Question 4

    A right triangle has legs of 11 yd and 9 yd. What is its area, in yd²?

    11 yd9 yd

    Answer

  5. Question 5

    A triangle has base 2 cm and perpendicular height 12 cm. What is its area, in cm²?

    2 cm

    Answer

  6. Question 6

    A triangle has area 35 m² and base 10 m. What is its height, in m?

    Answer

  7. Question 7

    A right triangle has legs of 9 ft and 9 ft. What is its area, in ft²?

    9 ft9 ft

    Answer

  8. Question 8

    A triangle has base 11 m and perpendicular height 14 m. What is its area, in m²?

    11 m

    Answer

  9. Question 9

    A triangle has area 44 yd² and base 11 yd. What is its height, in yd?

    Answer

  10. Question 10

    A right triangle has legs of 3 ft and 8 ft. What is its area, in ft²?

    3 ft8 ft

    Answer

  11. Question 11

    A triangle has base 8 ft and perpendicular height 4 ft. What is its area, in ft²?

    8 ft

    Answer

  12. Question 12

    A triangle has area 70 ft² and base 14 ft. What is its height, in ft?

    Answer

  13. Question 13

    A right triangle has legs of 14 yd and 7 yd. What is its area, in yd²?

    14 yd7 yd

    Answer

  14. Question 14

    A triangle has base 10 yd and perpendicular height 14 yd. What is its area, in yd²?

    10 yd

    Answer

  15. Question 15

    A triangle has area 30 m² and base 15 m. What is its height, in m?

    Answer

  16. Question 16

    A right triangle has legs of 5 ft and 6 ft. What is its area, in ft²?

    5 ft6 ft

    Answer

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Answer key: Area of triangles

  1. 1. 22.5

  2. 2. 96

  3. 3. 4

  4. 4. 49.5

  5. 5. 12

  6. 6. 7

  7. 7. 40.5

  8. 8. 77

  9. 9. 8

  10. 10. 12

  11. 11. 16

  12. 12. 10

  13. 13. 49

  14. 14. 70

  15. 15. 4

  16. 16. 15