Good evening ,
Look at the photo below for the answer.
:)
Answer:
r = 1/pt.
Step-by-step explanation:
1 = prt
Divide both sides of the formula by pt:
`1 / pt = r.
36cm(squared)
The top rectangle is 8*(6-4)2=16cm
the bottom is the square which is 4*5=20cm
16+20=36cm(squared)