Answer:
80
Step-by-step explanation:
A quadrilateral measured 360. if you do not know that you can multiply 360 by 2 because there are 2 triangles in a quadrilateral. Then you subtract 360 by 75,115, and 90. And you will get 80 degrees
Answer:
5
Step-by-step explanation:
You can express this as a system of equations:
x in this instance will be her present age.
x + 8 = 2x + 3
simply solve for x after this by subtracting three and x from both sides, and you’ll find that x is 5.
Answer:
diameter is 16.60 ft
the circumference is 52.12ft
Step-by-step explanation:
Hope this helps!
Answer:
Step-by-step explanation:
y - 4 = -2/3(x - 3)
y - 4 = -2/3x + 2
y = -2/3x + 6
Answer:
Each Angle of Decagon = 144 degrees
Step-by-step explanation:
The interior angles of a decagon add up to 1440
If they are of the same measure, then every angle will be equal to:
Each Angle of Decagon = 1440/10
Each Angle of Decagon = 144 degrees