Question
(a) The perimeter of a square is 28 mm.
Work out the length of one side of the square.
(b) Calculate the volume of a cylinder with radius 5.2 cm and height 15 cm.
Answer/Explanation
Ans:
(a) 7
(b) 1270 or 1274
or 1274.2 to 1274.4
Question
(a)
The diagram shows a small rectangle inside a large rectangle.
Work out the shaded area.
………………………… \(cm^2\)
(b)
Work out the surface area of this cuboid.
Answer/Explanation
Ans:
(a) 71.48
(b) 132
Question
The diagram shows a notice board.
The board is in the shape of a semicircle joined to a square with side 74cm.
(a) Calculate
(i) the perimeter of the board,
………………………….. cm
(ii) the area of the board.
……………………….. \(cm^2\)
(b) The board is a prism that is 5cm thick.
Calculate the volume of the board.
……………………….. \(cm^3\)
Answer/Explanation
Ans:
(a) (i) 338 or 338.3 nfww
or 338.2 to 338.26
(ii) 7630 nfww
or 7626 to 7627
(b) 38100 nfww
or 38200 or 38150
or 38130 to 38140
Question
The diagram shows the top of a table.
(a) Calculate the perimeter.
…………………………………….. m
(b) Calculate the area.
……………………………………. \(m^{2}\)
Answer/Explanation
(a)4.2
(b)\(0.83 [m^{2}]\) or \(8300 cm^{2}\)