Answer:
112
Step-by-step explanation:
This is a cyclic quadralterial. A cyclic quadralterial is a quadralterial that is inscribed in a circle where all the point or vertices of the quadralterial touches the circle circumference. Opposite angles in a cyclic quadralterial are supplementary.
Angle R and Angle QPS or P is supplementary since they are opposite angle.
Substitute 68 for R


So the answer is 112
No it is not, there is no common difference. <span />
Answer:
21 + 3a
Step-by-step explanation:
3 (7+a)
distribute 3 into parentheses:
21 + 3a
2 x 230 = 231
I’m not 100% sure if this is correct?? Hope it helps though