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Also need help with this one too please
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Also need help with this one too please

Also need help with this one too please-example-1
User Mark Van Straten
by
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1 Answer

1 vote

Answer:

b=18

a=6√18

Explanation:

tan 45=b/18

by cross multiply

b=tan 45×18

=1×18

=18

find (a) by using pythagora's theorem

a^2=18^2+18^2

=324+324

a^2=648

take square root both sides

√a^2=√648

a=√36×18

a=6√18

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