Answer:
This is B) A reflection over the y-axis.
Step-by-step explanation:
You can tell this in a picture due to the fact that each point on the corresponding triangle is equidistant from the y-axis. Take the point at the bottom for instance. In both pictures, it is 2 spaces away from the y axis.
Answer:
x = 18.25
x = 60.
Step-by-step explanation:
Top question w/ the triangle. All triangles must equal 180 degrees (or else it's not a triangle or more than 1 triangle; which if you take Trig, you will encounter).
Knowing that all triangles are equal to 180, you can add all the angles given and set it equal to 180 to solve for x.
![35+70+(4x+2)=180\\x = 18.25](https://tex.z-dn.net/?f=35%2B70%2B%284x%2B2%29%3D180%5C%5Cx%20%3D%2018.25)
If the question above asks for the value of x, the answer is 18.25.
Second question, these two angles MUST equal 180 degrees. Therefore, we can add the two angles and set it equal to 180 and solve for x.
![x+2x=180\\3x=180\\x=60](https://tex.z-dn.net/?f=x%2B2x%3D180%5C%5C3x%3D180%5C%5Cx%3D60)
If the question asks for the value of x, the answer is 60.
If the question asks for the missing side or the side with x, <u><em>MAKE SURE YOU REPLACE X WITH IT'S NUMERICAL VALUE!!!</em></u>
Answer:
62 ft
Step-by-step explanation:
To find the perimeter, we need to know the length and width. We are given the area and length, but not the width. The given information is sufficient to find the width, using the area formula.
A = LW
228 ft^2 = (12 ft)W
(228 ft^2)/(12 ft) = W = 19 ft
The perimeter of a rectangle is twice the sum of length and width:
P = 2(L +W)
P = 2(12 ft +19 ft) = 62 ft
The perimeter of the rectangle is 62 feet.
Guess and theorem are two you could check