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rusak2 [61]
3 years ago
5

The hypotenuse of a right angle triangle is 13cm.if one other side of the triangle is 1cm shorter than the hypotenuse.calculate

the third scale of the triangle
​
Mathematics
1 answer:
Alona [7]3 years ago
4 0
<h3><u>Given</u><u>:</u><u>-</u></h3>

  • The hypotenuse of a right angle triangle is 13cm.

  • One other side of the triangle is 1cm shorter than the hypotenuse.

<h3><u>To</u><u> </u><u>find</u><u> </u><u>out</u><u>:</u><u>-</u></h3>

Find the third scale of the triangle .

<h3><u>Solution:-</u><u> </u></h3>

Let the third Side be x.

According to the question,

★ Hypotenuse = 13 cm

★ Other side = Hypotenuse - 1 [ Given ]

= 13 cm - 1 cm

= 12 cm

Now,

<u>By pythagoras theorem</u>,

13² = 12² + x²

⇒ 169 = 144 + x²

⇒ x² = 169 - 144

⇒ x² = 25

⇒ x = √25

⇒ x = 5 cm

Hence, the third scale of the triangle is 5 cm.

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