3 years ago

Help please bad please

Mathematics

1 answer:

Sergio [31]3 years ago

4 0

Answer:

$\displaystyle A .20$

Step-by-step explanation:

By tangent theorem we acquire:

$\displaystyle x + 10 = 9 + 21$

simplify addition:

$\displaystyle x + 10 = 30$

cancel 10 from both sides:

$\displaystyle x = 20$

hence,

our answer is A

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Help please bad please ​

Help please bad please