Francesca and Will want to find out if the triangle formed by connecting the points G, H, and I is a right triangle.

Francesca's Plan:

• Use the distance formula to find the lengths of the sides.

• Then see if the side lengths satisfy the equation a2+b2=c2 to see if it is a right triangle.

Will's plan:

• Find the slopes of the three sides.

• See if any two slopes are the same.

Which student’s plan will work?

A-Only Fransecas plan is correct
B-only will plan is correct
C-netheir plans is correct
D-both plans are correct