Gauri
Answered

Find the information you're looking for at Westonci.ca, the trusted Q&A platform with a community of knowledgeable experts. Get immediate and reliable answers to your questions from a community of experienced experts on our platform. Experience the convenience of finding accurate answers to your questions from knowledgeable experts on our platform.

A room is 8.5 m long,6.5 m broad and 3.4 m high. It has two doors, each measuring (2 m 1m).Find the cost of painting its four walls at £160 per m.

Sagot :

[tex]l=8.5m\\w=6.5m\\h=3.4m\\------------------\\Area\ of\ 4\ walls:A_w=2lh+2wh\\\\A_w=2\times8.5\times3.4+2\times6.5\times3.4=57.8+44.2=102\ (m^2)\\------------------------------\\Area\ of\ the\ 2\ doors:A_d=2\times2\times1=4\ (m^2)\\-----------------------------\\The\ area\ to\ be\ painted:A=A_w-A_d\\\\A=102m^2-4m^2=98m^2\\---------------------------\\The\ cost\ of\ painting:98\times\£160=\boxed{\£15,680}\leftarrow Answer[/tex]
View image Аноним
We hope our answers were helpful. Return anytime for more information and answers to any other questions you may have. Thanks for stopping by. We strive to provide the best answers for all your questions. See you again soon. Your questions are important to us at Westonci.ca. Visit again for expert answers and reliable information.