erinjanefh
Answered

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A triangle has sides 12cm, 9cm and 15cm. Is the triangle right-angled? Justify your answer

Sagot :

chemistryfan63

Answer:

yes

Step-by-step explanation:

Yes this triangle is right angled and can be justified using the Pythagorean theorem. The theorem states that: [tex]a^{2} +b^{2} = c^{2}[/tex]. Substitute using the given values:

(9^2)+(12^2)=15^2

81 + 144 = 255

255 = 255.

It satisfies the theorem therefore it is a right angle triangle.

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