Answer:
x = 4 root square 3
Step-by-step explanation:
sin60° = x/8
x = 8×sin60° = 4 root square 3
If lines a and b are parallel, then aº = 79º = dº = bº.
Answer:
C
Step-by-step explanation:
Answer:

Step-by-step explanation:
-A rectangle's area is given by:

Given A=
and
, we substitute in the formula to solve for the width as follows:

Hence , the rectangle's width is 
Answer:
the first one and the fith one
Step-by-step explanation: