In a quiz, a boy answered 16 questions, the girl answered 3/4 of what the boy answered, while grace answered 5/6 of what the girl answered. Express their performance in the form of a proportion.

it is rigid.; it is isometric. ; the size is preserved.

step-by-step explanation:

a translation is called an isometry; these are transformations that preserve congruence between pre-images and images.

they are also called rigid transformations, as the only thing that can happen to a pre-image is that it is moved or turned, not stretched or shrunk.

since congruence is preserved, the size is preserved.

the answer is b 4pi/3

got it down chief.

answer is a.

13.268

hope you get it right.