Given: PSEPT, ZPRSE ZPRT Prove: PRSI PRT
Look at the figure. Which reason justifies that PRS and PRT are right angles?
I need help !!

See below.

Step-by-step explanation:

This problem is incorrect.

It asks to prove that two angles are perpendicular.

That makes no sense because lines can be perpendicular, but angles cannot be perpendicular. There is no such thing as perpendicular angles.

step-by-step explanation:

85.560%

step-by-step explanation:

conditional probability is defined as:

p(a|b) = p(a∩b) / p(b)

in other words, the probability that a occurs, given that b has occurred = the probability that both a and b occur / the probability that b occurs.

in this example:

p(turns 64 | turns 44) = p(turns 64 & turns 44) / p(turns 44).

if someone turns 64, they must have already turned 44, so:

p(turns 64 | turns 44) = p(turns 64) / p(turns 44)

on page 42, we see that of the original 100,000, 94944 turn 44, and 81234 turn 64.   therefore:

p(turns 64 | turns 44) = 81234 / 94944

p(turns 64 | turns 44) = 0.85560