What is the value of x?
E
(2x)°
xº
D
![What is the value of x E 2x xº D class=](https://us-static.z-dn.net/files/dc5/dfbc88ed9474f5cd20928db9f52d8820.png)
Answer:
30°
Step-by-step explanation:
Since ED = FD, the ∠DEF = ∠EFD
Since ∠DEF = 2x, ∠EFD is also equal to 2x
The sum of the 3 angles of a triangle is 180°
So x + 2x + 2x = 180
6x = 180
x = 30