Verified answer

Resposta:

d

x²=4²+5²=4×4+5×5=16+25=41

[tex]x = \sqrt{41} [/tex]

e

x²=5²+7²=5×5+7×7=25+49=74

[tex]x = \sqrt{74} [/tex]

f

x²=6²+9²=6×6.....=36+81=117

[tex]x = \sqrt{117} [/tex]