Two adjacent angles of a parallelogram are (4b + 15)° and (2b – 10)°. The value of b is ………………. .
A. 29.16
B. 32
C. 42
D. 36
Answer:A
Two adjacent angles of a parallelogram are (4b + 15)° and (2b – 10)°. The value of b is ………………. .
A. 29.16 B. 32 C. 42 D. 36
Explanation: sum of the adjacent angles of parallelogram=180