3 years ago

Help me plz and thanks

Mathematics

1 answer:

Maslowich3 years ago

7 0

Answer:

c = 35 mm

Step-by-step explanation:

$c = \sqrt{ {28}^{2} + {21}^{2} } \\ c = \sqrt{784 + 441} \\ c = \sqrt{1225} \\ c = 35 \: mm$

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