Question

abc is a triangle right angled at c if ab= 25cm and ac=10 find bc

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Answer 1

Answer:

BC =

$5 \sqrt{21}$

Step-by-step explanation:

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Answer 2

AB = 25 cm.

AC= 10 cm.

BC= x cm.

By Pythagoras Theorem

AB² = AC²+BC²

25² = 10²+ x²

x² = 25² - 10²

x² = 625 - 100

x =

$\sqrt{525}$

x = 22.9128784748 cm.

Hence,

BC = 22.9128784748 cm.

or 5root 21

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