Step-by-step explanation:
m<AEC= 180-152= 28°
m<CEB= 180-28=152°
m<FEC= 90+28=118°
Answer:
13.4
Step-by-step explanation:
AB =2DC
So, DC=AB/2
Now, AB/AC=DE/DC
AB/28=13/(AB/2)
AB²=13×28×2
AB=√728
AB=26.98
now, DC=AB/2
=13.4
Answer:
h = -8.5
Step-by-step explanation:
10.35+2.3h=-9.2
Subtract 10.35 from each side
10.35-10.35+2.3h=-9.2-10.35
2.3 h =-19.55
Divide each side by 2.3
2.3h/ 2.3 = -19.55/2.3
h =-8.5