Edges that are perpendicular to PR basically means what edges make a 90° angle with PR.
Those edges are HP , RA, TR and QP.
Hence, the answer is A, B and C.
C. 309,058,304
Three hundred nine million is in the millions bracket; wherein, three is in the hundred million place and nine is in the one million place.
fifty-eight thousand is in the thousands bracket; wherein 0 is placed in the hundred thousand place, five is in the ten thousands place, and eight is in the one thousands place.
three hundred four is placed as such because three should be in the hundreds place, 0 is in the tens place, and 4 is in the ones place.
The "9" in the second term is a coefficient.
He should choose the second option because he will be paid more money, with the percentage he expects.
Hope this helps!
