Answer:
you can always use sin or cos or tan in these situations
Let the line segment BD be x, then sin A = x/15
or, x = 15sinA
Also

The last option
Answer:
x = (180-147)/3
x = 11
Step-by-step explanation:
9) 0.31
10) (7x10^6)-(3x10^3)
7000000-3000=6997000
6.997x10^6
Hope this helps :)
Answer:
16
Step-by-step explanation:
61+3=64
16*4=64
64=64