For angle A, you need to do 180-130 which is 50
for angle B, you need to do 180- 90 - 50 which is 40
for angle C, you need to do 180 - 60 - 40 which is 80
If you want me to explain you with further details with how exactly I got those answers and how I knew what to do, then ask me.
10 root 2
10^2 + 10^2 = 200
200 is 10 root 2
Answer:
18/30=3/5
Step-by-step explanation:
The answer should be $30 cause it's only 25% off