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Plz help.................

Plz help.................-example-1
User Jmsb
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1 Answer

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1) question 1 has been done for you

2) step one: square the two numbers that aren’t the hypotenuse(the longest side-opposite the right angle).
Step two: add the two numbers together
Step three: square the hypotenuse

If the two values squared and added together equal the hypotenuse squared then it is a right angled triangle.

3) a triangle with the side lengths of 11cm, 13cm and 15cm wouldn’t be a right angled triangle.

Because 11^2 + 13^2 = 290 and 15^2 = 225, therefore it isn’t a right angled triangle because 290 doesn’t equal 225.
User Mujtaba
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