Answer:
67
Step-by-step explanation:
because the total amount is 180.
so there is 23 +90+x=180so find the number the number is 67
23+90+67=180
[tex] \tan\alpha = \frac{opp}{adj} [/tex]
[tex]tan23 = \frac{opp}{15} [/tex]
[tex]cross \: multiply[/tex]
[tex]opp = 15 \tan23[/tex]
opp=6.367
approx.=6.4
