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Mamont248 [21]
3 years ago
10

Can I have help with this one asap?

Mathematics
1 answer:
sasho [114]3 years ago
6 0

Answer:

In Δ CFD , CD is the LONGEST side.

Step-by-step explanation:

Here, the given Δ CSD is a RIGHT ANGLED TRIANGLE.  

Now, as we know in a right triangle, HYPOTENUSE IS THE LONGEST SIDE.

So, in Δ CSD  SD is the longest side as SD = Hypotenuse.

Now, an altitude CF is drawn to hypotenuse SD.

⇒ CF ⊥ SD

⇒ Δ CFD is a RIGHT ANGLED TRIANGLE with  ∠ F = 90°

and CD as a hypotenuse.

⇒ In Δ CFD , CD is the LONGEST side.

Hence, CD is the longest side in the given triangle CFD.

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