Given:
A figure.
and 
To find:
What kind of figure and the value of x
Solution:
All four sides are congruent.
Diagonals bisect each other.
There the given figure is rhombus.
Diagonals bisect the angles.
⇒ 

Subtract 3 on both sides.


Subtract 6x from both sides.


Divide by 3 on both sides.


The value of x is
.
280 mg = 70 Ml
280/70 = 4
50 mL x 4 = 200 mg
200 mg
Answer:
1.6 + 1.6 + 1.6 + 3.1 = 7.9 miles walked
2/1 = 14/x
cross mulitply
2x=14
2x/2=14/2
x=7
The width is 7 cm