11. The surface area of a triangular prism is 78 square inches. What is the surface area of a similar prism that is three times as large?
A. 156 square inches
B. 234 square inches
C. 312 square inches
D. 702 square inches

answer: -1

step-by-step explanation:

d

step-by-step explanation:

i used the pitagoras theoreme

for this case we have by definition, if two lines are perpendicular, then the product of their slopes is -1.

then, given the following line:

so,

we are looking for m_ {2}:

then, the line is given by:

we find "b" replacing the given point:

finally, the equation is:

option c

answer: 100

step-by-step explanation: