Answer:
true
Step-by-step explanation:
Since the triangle is equilateral, all its angles are equal to 60°
AO is the bisector⇒∠OAD = 30°
AO AO is the hypotenuse, ∠OAD = 30°⇒
OD=10:2=5ft
By the Pythagorean theorem




Answer: A)
ft²
P.S. Hello from Russia and sorry for my bad english :^)
I think the answer is -84
Weeeeelllll, when dividing lets say long division 4 58..... Nevermind this topic is like so easy and your in highschool