Answer:
2
a = - ------
15
Step-by-step explanation:
15 a = -2 (divide 15 on each side)
15a 2
----- = - ------
15 15
2
a = - ------
15
Well the angles should all equal 360. Since you know 90 and 160 then 360-90-160=110. Angle 2 is 90* so 110-90=20 so angle 4 is 20. Angle 2+ angle 4: 90+20=110 or C :)
The pieces of fabric are already the correct length, so it is just a matter of how many panels will fit into one piece of fabric. 2/(1/2) = 4, so she can make 4 panels from 1 piece of fabric.
7.0258 daL is the answer daL stands for deka liters