Answer:
9*sqrt(2) (third in your list of answer)
Step-by-step explanation:
Lets indicate the vertices with the letters beginning the upper vertice A next clockwise B and finally C (right angle)
Angle C=45 degrees. ANgle C is 90 degrees ( small square on the diagram means 90 degrees) So the angle A= 180-90-45=45 degrees.
Angle A=angle C=45 degrees=> AC=CB=9
Using Phitagor theorem will get AB= sqrt(AC^2+BC^2)=sqrt(81+81)=9*sqrt(2)
Since area of a rectangle = length X width I came up with an answer of 16 X 24 =384
Also, 16+16+24+24 = 80
Answer:
(2,3)
Step-by-step explanation:
The solution to a linear system is always where both of the lines intersect.
We have two equations and two unknowns/variables
y = 2x + 4
y = x + 2
We can solve by substitution or by elimination.
Let's try substitution.
Since both equations are set equal to y, set the two equations equal to one another and solve for x.
x + 2 = 2x + 4
Use algebra to solve
x = -2
Now use this value of x in one of the original equations to solve for y.
y = x + 2
y = -2 + 2
y = 0
So the solution is (-2,0).
Answer:
I'd say it's 0.03
Step-by-step explanation:
0.03 divided by 10 is 0.003 so it's 1/10