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4²= 2²+b²
16= 4+b²
16-4= b²
√12=3.46
B.
H²=7²+6²
H²=49+36
H=√85
H=9.21
C.
H²=5²+3²
H²=25+9
H=√34
H=5.83
D.
36²=10²+b²
1296=100+b²
1296-100=b²
√1196=b
34.58=b
E.
12²=a²+6²
144=a²+36
144-36=a²
√108=a
10.39=a