Collect the like terms
9x-5x=20
4x=20 divide both sided by 4
x=5
Math, ,,,,,,,,,,,,,,,,,,,,
STatiana [176]
It’s 1/5 number a............
Remember that pi=180,
so 180/6=30, 30*5=150,
what's tan 150?
Remember that 150 degrees is in the 2nd quadrant, and this is tangent, so it means the answer must be negative, because tan 150= - tan 30, and -tan30=-√3/3.
Answer: -√3/3.
The area of the pentagon is 19 square units
The coordinates of the pentagon are given as:





The area of the pentagon is then calculated using:

So, we have:

Simplify the expressions in both brackets


Remove absolute bracket


Hence, the area of the pentagon is 19 square units
Read more about areas at:
brainly.com/question/1423568
130 because 2 is less than 5