Asquare floor has an area of 480 square feet. kristin wants to put molding around the entire perimeter of the floor.

approximately how much molding does she need?

a.
720 feet

b.
120 feet

c.
90 feet

d.
88 feet

What is the perimeter of square abcd? units units 28 units 37 units

Kayla wants to find the width, ab, of a river. she walks along the edge of the river 65 ft and marks point c. then she walks 25 ft further and marks point d. she turns 90° and walks until her location, point a, and point c are collinear. she marks point e at this location, as shown. (a) can kayla conclude that δ and δ are similar? why or why not? (b) suppose de = 15 ft. what can kayla conclude about the width of the river?

Pranza plotted point a in the coordinate plane below.