Answer:
x = 21.54
Explanation:
just search up Pythagorean theorem and fill in the know values of 20 and 8 so x = 21.54
Answer: x = 4√21 = 18.330302779823
x =√c2 - a2
=√(20)2 - (8)2
=√400 - 64
=√336
=4√21
=18.330302779823
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