Given a right triangle △ABC with C=90∘, if a=8, c=17, how do you find b?
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Answer:
b=15
Explanation:
From Pythagoras, we have:
a2+b2=c2
Hence:
b=√c2−a2=√172−8^2
=
√
289
−
64
=
√
225
=
15
b=15
Explanation:
From Pythagoras, we have:
a2+b2=c2
Hence:
b=√c2−a2=√172−8^2
=
√
289
−
64
=
√
225
=
15
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