Answer:
substitute the value of x with ( a+2 )
Answer:
3
Step-by-step explanation:
Answer:
angle C and angle D
Step-by-step explanation:
when those two angles are added together, they are to give a total angle of 180°
let's recall that an equilateral triangle has all interior angles of 60°.
Check the picture below.
so as you can see, 2√3 = x = r, namely the radius of the circle.