Answer:

Step-by-step explanation:
we know that
If the triangle of the figure is a regular polygon
then
Is an equilateral triangle
Remember that
The equilateral triangle has three equal sides and three equal interior angles
The measure of each interior angle is 60 degrees
To find the area of the equilateral triangle apply the law of sines

we have that

substitute

50 inches 4/5*x=40
x=40/(4/5)
x=40*5/4=200/4=50 x=50 inches
She gotta work 27 hours cuz 344.24/12.75
Answer:
I'm pretty sure it's -3/2
Try 86.36%, I hope this helps!