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Help help help help help help help help help help help help help-example-1
User Jobima
by
3.9k points

2 Answers

0 votes

Explanation:

User Vrinda
by
4.5k points
3 votes

Answer:

√21

Explanation:

2^2+b^2=5^2

4+b^2=25

b^2=21

√ b^2=√ 21

User Wasker
by
4.1k points