For a right triangle ABC with right angle C, if AC = 4 and AB = 5, what is the length of BC in simplified form?

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For a right triangle ABC with right angle C, if AC = 4 and AB = 5, what is the length of BC in simplified form?

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Answer 1 · 2015-12-26T19:32:03

Draw a diagram to answer this question

Explanation:

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Use pythagorean theorem to find the length of BC:
Say that BC = a
#a^2# + #b^2# = #c^2#
#a^2# = #c^2# - #b^2#
#a^2# = #5^2# - #4^2#
#a^2# = 25 - 16
#a^2# = 9
a = √9
a = 3

BC measures 4 cm

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For a right triangle ABC with right angle C, if AC = 4 and AB = 5, what is the length of BC in simplified form?

1 Answer

Explanation:

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