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valkas [14]
3 years ago
9

What is the length of bc?

Mathematics
1 answer:
zhuklara [117]3 years ago
8 0

Answer:

15 units

Step-by-step explanation:

ΔABC is right with ∠C = 90° and AB the hypotenuse

using Pythagoras' identity on the triangle

AB² = AC² + BC² , hence

BC² = AB² - AC² = 17² - 8² = 289 - 64 = 225

⇒BC = \sqrt{225} = 15 units


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