Answer:
Step-by-step explanation:
ΔABD ≅ ΔACD {A S A congreunt}
∠ADB ≅ ∠ADC {CPCT}
∠ADB + ∠ADC = 180 {linear pair}
2∠ADB = 180
∠ADB = 180/2
∠ADB = 90
∠ADB = ∠ADC = 90.
So, now we can use Pythagorean theorem to find x
x² = 8² - 2²
= 64 - 4 = 60
x = √60
