Jess0987
Jess0987 Jess0987
  • 11-03-2020
  • Mathematics
contestada

On the photo/ picture

On the photo picture class=

Respuesta :

jimrgrant1 jimrgrant1
  • 11-03-2020

Answer:

Not right angled

Step-by-step explanation:

According to Pythagoras' identity for right triangles.

The square on the hypotenuse is equal to the sum of the squares on the other 2 sides.

Thus if the longest side squared is equal to the sum of the other 2 sides then triangle is right.

AB = 8, BC = 5 and AC = 22 - 8 - 5 = 9

9² = 81

5² + 8² = 25 + 64 = 89 ≠ 81

Thus the triangle is not right

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