Answer:
B= 40 degress
Step-by-step explanation:
1x+ 5xc /3xc = 40
⇒ (10 - 8i) - (13 - 10i)
⇒ 10 - 8i - 13 + 10i
⇒ -3 + 2i
Option A is the Answer
2.5ft
d=2r
r=1/2d
r=1/2*5ft=2.5 ft