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PLEASE HELP ME!!! I WILL GIVE YOU BRAINLIEST

PLEASE HELP ME I WILL GIVE YOU BRAINLIEST class=

Sagot :

Answer:

a. 20

[tex]2 \sqrt{51} [/tex]

Step-by-step explanation:

the Pythagorean Theorem states

[tex]a {}^{2} + {b}^{2} = {c}^{2} [/tex]

rearranging for the unknown variable "a" gives us the answers.