Step-by-step explanation:
Quadrilateral ABCD is inscribed in a circle.
Opposite angles of a Quadrilateral are Supplementary.

Answer:

Step-by-step explanation:
<h2>Order of operations</h2>
PEMDAS
Parenthesis, exponent, multiply, divide, add, and subtract from left to right.
Do exponent.



, which is our answer.
Hope this helps!
Answer:
60°
Step-by-step explanation:
since all sides of a triangle are equal .The given triangle is an equilateral triangle. And each angles of an equilateral triangles is 60 degree.So angle A is also 60 degree.
They ate 3/8 of the pie because 1/4=2/8 .and 1/8+2/8=3/8. Hope this helps