Answer:
80
Step-by-step explanation:
180-(60+40)=180-60-40=180-100=80
Answer:
1 999 000
Step-by-step explanation:
Formula:
………………………………………
Then
Yo sup??
you can solve this quesion by having the knowledge of trigonometric ratios
let angle B be x, then
tanx=7/3
x=66.8
Hope this helps
1 !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!