28 x 2 = 56 half dollar coins
Answer:
180 degrees.
Step-by-step explanation:
Because the angle at the circumference is 90 degrees the arc joining the 2 other points = 180 degrees.
So x = 360 - 180 = 180 degrees.
X+4x = 180
5x = 180
x =180/5
x = 36
answer
D. 36
144 cm3 is what i came up with!
