Շեղանկյուն տնային
![](https://koryun.gaboyan.am/wp-content/uploads/2022/11/image-32.png)
![](https://koryun.gaboyan.am/wp-content/uploads/2022/11/image-33.png)
<AOP=<MOA=15
<KOH=<MOP=15+15
∆MOP & ∆HOK(հավասարասրուն են)
<OHK=(180-30)/2
<OHK=75
![](https://koryun.gaboyan.am/wp-content/uploads/2022/11/image-34.png)
![](https://koryun.gaboyan.am/wp-content/uploads/2022/11/image-35.png)
<ABE=<EBC=450
<AEB=180-90-45=450
<ABE = 450, <AEB = 450, <A = 900 => ∆ABE(հավասարասրուն է) => AB = AE = 10սմ => AD = BC =10+10 = 20
P = 20*2 + 10*2 = 60սմ
![](https://koryun.gaboyan.am/wp-content/uploads/2022/11/image-36.png)
![](https://koryun.gaboyan.am/wp-content/uploads/2022/11/image-37.png)
<CAB=<B=<ACB => հավասարակողմ է => AB = BC = CD = DA = 10.5սմ
P=10.5*4=42սմ