The triangle in this question is not drawn accurately. Use Pythagoras' Theorem to explain why triangle A must be right-angled.

Mathematics

1 answer:

Wewaii [24]3 years ago

6 0

Answer:

We know the triangle in a right triangle because of the pythagoras theorem: 5^2+12^2=13^2

25 + 144 equals 169, making it a right triangle since the equation works.

Step-by-step explanation:

I tried to explain this the best i could, hope it works :)

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How many different arrangements are there of the letters a, b, c, d, e, f for which e is not last in line?

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if you cannot repeat the letters
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