the total area of bed room will be 2( lh+hb) if h ,l , b are height ,length & breadth respectively.
now we know the perimeter of room ie 2 (l +b) = 220 .. ie (l + b) = 110
now total area .... 2 ( lh + bh) = 2 h ( l + b) ....taking h common
substituing for value of h and (l + b) ......ie 2 x 12 x 110 = 2640 sq.ft
but 1 sheet cover area of 220 sq.ft
therefore no.of sheets required = total area / area of 1 sheet
= 2640/220 = 12 sheets
the no. of sheets required = 12 sheets
Height = (Perimeter/2) - Base
The formula for finding out perimeters of shapes is length+length+height+height=perimeter or what else you can do is (lengthx2)+(heightx2)=PERIMETER
Multiply the length of each wall by the height of each wall and that will give you the area of the walls. Combine the resulting numbers for each wall and you have the area in square feet.
2(length + height)= perimeter
You add height,height,width,width and that is your answer.
yes
2*(base) + 2*(height) = perimeter
2 x base + 2 x height= perimeter
width*height*length=perimeter of a rectangular prism! :)
Lateral Area=Perimeter of the base * height perimeter=20 height=6 so, Lateral Area=20 * 6 Lateral Area=120cm
No.
Area = length*height Perimeter = sum of its 4 sides