A net of a triangular prism is shown below. What is the surface area, in square feet, of the triangular prism
1 answer:
Answer:
Step-by-step explanation:
Given
See attachment for the prism net
Required
Calculate the area
First, calculate the area of the two congruent triangle:
Where
base = 6cm\ height = 4cm
So:
Calculate the area of the middle rectangle
Lastly, the area of the two congruent rectangles on both sides of the middle rectangle
So, the surface area of the net is:
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Let's analyze the changes made to the parent function one by one:
STEP 1: Horizontal translation.
If we transform
We're performing a change in the form of
This kind of changes result in a horizontal translation, k units to the left if k is positive, k units to the right if k is negative. In this case, k=2, so the original graph is shifted 2 units to the left.
STEP 3: Vertical stretch.
If we transform
We're performing a change in the form of
This kind of changes result in a vertical stretch with scale factor k. If k is negative, the function is also reflected across the x axis. In this case, k=3, so the original graph is stretched vertically, with scale factor 3.
STEP 3: Vertical translation.
If we transform
We're performing a change in the form of
This kind of changes result in a vertical translation, k units down if k is positive, k units up if k is negative. In this case, k= -4, so the graph is shifted 4 units down.
All, in all, the original graph is shifted 2 units to the right, then it's stretched vertically with scale 3, and then it's shifted 4 units down. The order is important!