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 :^)
Answer:
2m - 6
Step-by-step explanation:
Combine the two m's in the equation to get 2m in which each m is 1. Combine -9 and 3 together to get -6 since you are adding 3 to -9. You should get 2m-6 as your final answer.
Answer:
Step-by-step explanation:
First convert the mixed fraction to improper fraction and the multiply by 100.
412.5%
b)
c) 5:8
62.5%
80 x + 28 y - 56 is one of them
The range of cos t is -1 ≤ cos t ≤ 1.
Therefore, there is no value of t so that the equation cos t = 5/4 holds.
i.e. False.