Y : x
14 : 18
31 : x
18*31/14=x
39.85714286
ANSWER
x=39.86
Answer:
is there supposed to be a picture with it? i can't solve it without more information. sorry
M+n+3+m+n+4
=3m+2n+7
answer
C. 3m+2n+7
<u>The angle based on the diameter is always right</u>
Then <ABC=90 and ∠BAC=∠ACB=45° ; and ∠BCD=180-45=135 then x=(180-135):2=22,5°