1. a company builds wooden porches.

the porches are built in rectangular

shapes. how do the areas of the

porches change when the lengths

change?

the __ stays the same.

the lengths

the areas __ by __

square feet.

2. what if 2 feet were added to each width? explain

how the area of each porch would change.

16.3 problem solving • area of rectangles

geometry and measurement—3.6.c

mathematical processes 3.1.a, 3.1.b, 3.1.e

porch sizes

porch length

(in feet)

width

(in feet)

area

(in square

feet)

a 10 6

b 15 6

c 20 6

d 25