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 :^)
Jesse rides his bike for an hour at 25 miles per hour for the next 2 hours he rides 30 miles per hour during the last two hours
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