VOLTE 2 12:29 Will 14G* 101 76.0 A 31 . . . ACTIVITY 8: Perimeter, Area, Total Surface Area and Volume (50 marks:45 minutes) 1.1 Tshego is renovating her home. She is removing the wooden-Famed windows and is replacing them with aluminium framed windows. The dimensions and the shape of two of the window frames are given below. In the rectangular window frame, four windows can open. It has three secions: A, B and C, The circular window frame has no windows that can open RECTANGULAR WINDOW CIRCULAR WINDOW FRAME FRAME 140 #10 Outer dimensions of the window Inner diameter = 605 mm earned Length A = 55 cm, B = 98 can and C - 95 cm. Width - 149 cm Source: www. ummmiumaluminum me. gut The following formulae may be used: Arwa of a rectangle = length x with Area of a circle = 3,142 x (radius]' Parimeter of a rectangle = 2(length . width) Circumference of a circle = 3,142 x diameter Use the information alive to answer the questions that follow 1.1.1 Determine the perimeter of the rectangular window frame. (3) 1.12 Calculate the inner area in cans of the circular window frame. 1.13 Calculate the area of the rectangular window frame. Page 60 of 64 1 2 Tahego also intends fling the dining room and lounge floors The dimensions of the lounge floor are 4 m by 5'm and of the dining mom floor 3 m by 4 m. Information and cost: . Tshego intends using ties that are 35 cm by 35 cm. . One box of 4 ties costs R143,84 . Tile cement costs R98,90 per 20 kg bag, which covers 3 me. She needs 4 bags of tile grout at R89 90 per S kg bag. The cost of labour in R2 500. Tshego's total budget for the tiling project is R15 000. Use the information above to answer the questions that follow. 1.2.1 Show that the total floor area to be tied is 32 m'. You may use this formula: Area of a rectangle = length x width (2) 1.2.2 Determine how many boxes of ties Tshego will need if an extra 10%% of the number of sies must be added for cutting and braskagas. 1.2 3 Show by means of calculations if Tshego's budget is enough to finish the thing project (6) A Edit Annotate Fill Sign Convert All