Answer:
3) add 6 to both sides
Brainliest if this was helpful
So here, ABCD is being inscribed in a circle, so ABCD is a cyclic quadrilateral (as inscribed in a circle) also, there exists a property of cyclic quadrilateral, i.e, the sum of opposite angles of a cyclic quadrilateral is 180°, so we can just write the following equation using this :




Answer:
8.83176
Step-by-step explanation:
The square root of 78 is 8.83176, or 8.832 (rounded to the nearest thousandth).