-68hen you enter an equation into the calculator, the calculator will begin by expanding (simplifying)
the problem.
The angle of x is 71°
Because the triangle in isosceles the two bottom angles will have the same measure.
The angles of a triangle will add to 180° so you subtract 38 and divide by 2.
Answer:
D
Step-by-step explanation:
Circumference of circle = 2πr
r = 9cm
Circumference of circle = 2×9×3.142
Circumference of circle = 56.5cm