SOLUTION: A rectangular photograph is 10 cm x 8cm. A border of uniform width is added to all sides. What is the new area and perimeter?
Algebra.Com
Question 976474: A rectangular photograph is 10 cm x 8cm. A border of uniform width is added to all sides. What is the new area and perimeter?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
b = width of border
-----------
Area = (W + b)*(L + b)
-------
Perimeter = 2(W + b) + 2(L + b)
= Original Perimeter + 4b
RELATED QUESTIONS
A small rectangular playground that is 10 feet by 14 feet is going to have a grass border (answered by checkley77)
A photograph is 10 inches long and 8 inches wide. It is surrounded by a border of... (answered by josmiceli)
a rectangular garden 10 feet wide and 12 feet long is surrounded by a rock border of... (answered by checkley77)
Karl is putting a frame around a rectangular photograph. The photograph is 12 inches long (answered by Fombitz,DrSteve,ikleyn)
A small rectangular playground that is 10feet by 14feet is going to have a grass border... (answered by checkley77)
A small rectangular playground that is 10ft by 14ft is going to have a grass border of... (answered by solver91311)
A small rectangular playground that is 10 feet by 14 feet is going to have a grass border (answered by mananth)
A photograph is enlarged to 20cm by 30cm and framed. The frame is to include a border... (answered by ankor@dixie-net.com)
The height of a photograph is 40 cm greater than the width, and the area of the... (answered by jorel555)