∵ ΔSRQ is a right triangle
and RT⊥SQ
∴ x² = ST * TQ
∴ x² = 9 *16 = 144
∴ x = √144 = 12
You want to put this in the form (x+b)^2 + c
To do this take half of the coefficient of b from the ordinal form which is 6/2=3 as use this as your new b
This give you (x+3)^2.
If you foil this out you get x^2 +6x +9 so you have added 9 to the original expression so now all you need to do is subtract 9 to keep things balanced
The final expression then is (x+3)^2 -9
<u> So c= -9</u>
Answer:
A regular octagon is a bidimensional figure with eight sides and eight vertices. The words "regular" refers to the equivalence between sides, that is, all sides have the same length.
So, a regular octagon can be described as
- A figure with eight equal sides.
- A figure with eight vertices.
- A polygon.
- A symmetric figure.
The equivalence between sides makes the regular octagon symmetric. Additionally, this figure is a polygon, because it has 8 sides which enclose a region.
Answer:
x=72.5
Step-by-step explanation:
2x-35-15=95 (common factors go together)
2x-50=95 (add 50 to both sides)
2x=145 (divide both sides by 2)
x = 72.5
270.7608 to nearest whole number is 271
Hope it helped!