Question

In this picture B and F are
midpoints.
x=[ ? ]

Answer 1

Answer: x = 10

see in the picture, ΔACE has:

+) BF//AE

+) B and F are midpoints.

=> BF is the median line of the triangle ACE

=> BF = 1/2. AE

=> AE = 2BF

⇔ 5x - 4 = 2.23 = 46

⇔ 5x = 46 + 4 = 50

⇔ x = 50/5 = 10

Explanation: