Answer:
angle: 71
x = -3
Step-by-step explanation:
step 1: 180-(55+54) = 71
step 2: x+74=71 (subtract 74 from both sides)
step 3: x=-3
step 4: -3+74=71
Answer:
I am unable to see the picture if you type it i can possibly help
Step-by-step explanation:
From the chord theorem we know that:

so:

Answer C.
Step-by-step explanation:
When you raise a number to the power with the exponent 1/2, you get a square root of a number.

Generally:
for n - whole number, n ≥ 2.