4. The illumination produced by a light source varies inversely as the square of the distance from the
source. The illumination of a light source at 5 meters is 70 candela. What is the illumination 12
meters from the source?

r(0,90)(x,y) . t(-5,0)

last option

step-by-step explanation:

∆def to ∆d"e"f"

- rotate 90 counterclockwise degrees

- then translated 5 to the left (x --> x - 5)

answer is the last option

need more info

step-by-step explanation:

need more information

step-by-step explanation:

a triangular prism is a 3 dimensional shape composed of triangles and rectangles. it is made from two triangular bases and three rectangular sides.