Answer:
B. m∠A + m∠C = m∠B + m∠D
Step-by-step explanation:
To inscribe a quadrilateral in a circle, the sums of its opposite angles must be equal (each sum of its opposite angles equals 180 °)
After using distributive property and combining like terms the answer is -2
The answer is 7. That's the answer
The correct answer is the second one
