Answer:
x = 36.3°
using tane rule:

Here!
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( rounded to nearest tenth of a degree)
29.75/8.5=x/4.5
using the "butterfly method"
8.5x=133.875
/8.5 /8.5
x=15.75
You have to make a proportion
Answer:
AB = 30 & BD = 16
Step-by-step explanation:
Multiply all sides by two
Answer:
r>4
Step-by-step explanation:
-3r+5<-7
-3r+5-5 <-7-5
-3r<-12
-3r/3
12/3
r>4