Grade 7 Online Videos on Measurements: Pythagorean Relationship

Grade 7 Online Videos on Measurements: Pythagorean Relationship
1. Sides of a right-angled triangle
2. Pythagorean relationship
3. Application of the pythagorean relationship

Lessons (5)     SHARE

• 1.    Identify the base, the height and the hypotenuse:
  2m 21s

• 2.    The following triangles are right-angled. Use the Pythagorean relationship to work out the length of the sides marked using letters.
  5m 35s

• 3.    Mugeci wanted to know the height of the wall of her house. She placed a piece of stick of length 15 m to lean on the wall from the top. She then measured and found that the distance from the base of the wall to where the stick touched the ground was 9 m. How high was the wall?
  3m 33s

• 4.    The diagram shown shows the shape of Madiba’s farm. He fenced the farm using posts spaced 212 m apart. How many posts did he use to fence the farm?
  5m 28s

• 5.    In county ball games, referees were to use flags in the shape of a right-angled triangle. Muteti was given the task to design 15 such flags whose hypotenuse is 17 cm and height 8 cm. What area of the cloth does Muteti require to make the flags?
  4m 31s

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