Answer:
144 sq in
Step-by-step explanation:
Face height=9, bases=6 in
#Assume the pyramid has a square base.
First we need to calculate the perpendicular height of the pyramid:
Now to find the surface area of each pyramid:
Hence amount of construction paper needed to make each pyramid is 144 sq in
Answer:
0.249 is the required proportion.
Step-by-step explanation:
We are given the following in the question:
Sample size, n = 822
Number of people who preferred foreign cars over domestic, x = 205
We have to find the proportion of new car buyers who prefer foreign cars.
Formula:
Putting values, we get,
Thus, 0.249 is the proportion of the new car buyers who preferred foreign over domestic cars..