answer: 25.4 units
step-by-step explanation: radius = 12.7 units
diameter = twice the radius
diameter = 12.7 x 2
= 25.4
the square root of what number? if you add that, then someone will probably answer the question.
12
step-by-step explanation:
a triangle's full angle is 180 degrees so 180 - 156 = 24. 24/2=12