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Viktor [21]
3 years ago
6

Can someone please help i am very stuck :

Mathematics
1 answer:
Oliga [24]3 years ago
5 0
The answer is
the first one is x= 18.98 
a^2+b^2=c^2
8 cm^2+17 cm^2= x^2 
64+289=x^2
√x^2= √353
x=18.89
<span><span>the second one is x= 18.7
a^2+b^2=c^2
7 m^2+ x^2= 20 m^2
49 m+x^2=400 m
-49            -49
  </span></span>√x^2=√352
<span><span>x= 18.7
Hope this helps!</span></span>
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