anna130
anna130
25-08-2017
Mathematics
contestada
how long is the diagonal of this rectangul
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apologiabiology
apologiabiology
25-08-2017
we gots a right triangle withe legs 8 and 15
remember if we got a right triangle with legs length a and b and hytponuse c then
a²+b²=c²
so
diagonal=c
so
8²+15²=c²
64+225=c²
289=c²
sqrt both sides
17=c
the diagonal is 17in
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