Leila cuts congruent triangular patches with an area of 45 square centimeters from a rectangular piece of fabric that is 18 centimeters can leia cut from 32 pieces of the fabric

Each rectangle is (18cm)(10cm)=180 square cm.

180 square cm/45 square cm=4. she cuts four triangles from each rectangle
(4 patches/rectangle)(32 rectangles)=128 patches
Answer=128 patches

The sun's parallax would be 180 degrees, greater than which you can't get.  so a. would be your anwser