Question

I will give brainiest

Answer 1

Answer:

7. 65 m

8. 4.75 cm

Step-by-step explanation:

7. $b=\sqrt{63^2+16^2}$

$b=\sqrt{3969+256}$

$b=\sqrt{4225}$

$b=65$

8. $a=\sqrt{7.5^2-5.8^2}$

$a=\sqrt{56.25-33.64}$

$a=\sqrt{22.61}$

$a=4.75$

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