Triangle ABC below has a right angle C and a hight CD. If AC is 3 units long and BC is 4 units long, what is the length of AB?

Question

Triangle ABC below has a right angle C and a hight CD. If AC is 3 units long and BC is 4 units long, what is the length of AB?

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Ladonna 4 years 2021-08-26T06:16:56+00:00 1 Answers 8 views 0

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  1. Xavia
    0
    2021-08-26T06:18:46+00:00
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    Answer:

    AB = 5

    Step-by-step explanation:

    Pythagorean theorem: a² + b² = c²

    => 3² + 4² = AB²

    => AB = \sqrt{3^{2}+4^{2} }

    => AB = 5

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