Answer:
36 degrees
Step-by-step explanation:
A+B=90
A-B=18
add these two equations:
2A = 108
A=54
B=36
Answer:
40
Step-by-step explanation:
15x3 = 45
45-5 =40
Answer: 256
Step-by-step explanation:
Step-by-step explanation:
Here n = 8 (even number)

Answer:
angle c should be 65 as for the sides i don't know sorry
Step-by-step explanation: