abdulrafaya2007
Answered

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Sagot :

MysteryDove12

Answer:

7. 65 m

8. 4.75 cm

Step-by-step explanation:

7. [tex]b=\sqrt{63^2+16^2} \\[/tex]

[tex]b=\sqrt{3969+256}[/tex]

[tex]b=\sqrt{4225}[/tex]

[tex]b=65[/tex]

8. [tex]a=\sqrt{7.5^2-5.8^2}[/tex]

[tex]a=\sqrt{56.25-33.64}[/tex]

[tex]a=\sqrt{22.61}[/tex]

[tex]a=4.75[/tex]

have a good day! :)

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