KCSE MATHEMATICS QUESTIONS AND SOLUTIONS ~ Topically Analyzed
0 Comments
Form 2 Mathematics
In the diagram below PA represents an electricity post of height 9.6 m. BB and RC represents two storey buildings of heights 15.4 m and 33.4 m respectively.
The angle of depression of A from B is 5.50 While the angle of elevation of C from B is 30.50 and BC = 35m.
(a) Calculate, to the nearest metre, the distance AB
(b) By scale drawing find, (i) The distance AC in metres (ii) Angle BCA and hence determine the angle of depression of A from C Form 2 MathematicsForm 2 MathematicsForm 2 Mathematics
The size of an interior angle of a regular polygon is 3x0 while its exterior angle is ( x- 20)0. Find the number of sides of the polygon
Form 2 Mathematics
A garden measures 10m long and 8 m wide. A path of uniform width is made all round the garden. The total area of the garden and the paths is 168 m2.
(a) Find the width of the path (b) The path is to covered with square concrete slabs. Each corner of the path is covered with a slab whose side is equal to the width of the path.
The rest of the path is covered with slabs of side 50 cm. The cost of making each corner slab is Kshs 600 while the cost of making each smaller slab is Kshs 50.
Calculate (i) The number of smaller slabs used Form 2 MathematicsForm 2 MathematicsForm 2 Mathematics
The figure below is a model representing a storage container. The model whose total height is 15cm is made up of a conical top, a hemispherical bottom and the middle part is cylindrical. The radius of the base of the cone and that of the hemisphere are each 3cm. The height of the cylindrical part is 8cm.
(a) Calculate the external surface area of the model
(b) The actual storage container has a total height of 6 metres. The outside of the actual storage container is to be painted. Calculate the amount of paint required if an area of 20m2 requires 0.75 litres of the paint Form 2 Mathematics
The figure below represents a quadrilateral piece of land ABCD divided into three triangular plots The lengths BE and CD are 100m and 80m respectively. Angle ABE = 300,angle ACE = 450and angle ACD = 1000
Find to four significant figures:
(i) The length of AE (ii) The length of AD (iii) the perimeter of the piece of land (b) The plots are to be fenced with five strands of barbed wire leaving an entrance of 2.8 m wide to each plot. The type of barbed wire to be used is sold in rolls of lengths 480m. Calculate the number of rolls of barbed wire that must be bought to complete the fencing of the plots Form 2 Mathematics
The diagram below represents a pillar made of cylindrical and regular hexagonal parts. The diameter and height of the cylindrical part are 1.4m and 1m respectively. The side of the regular hexagonal face is 0.4m and height of hexagonal part is 4m.
Form 2 MathematicsAn electric pylon is 30m high. A point S on top of the pylon is vertically above another point on the ground . Points A and B are on the same horizontal ground as R. Point A is due south of the pylon and the angle of elevation of S from A is 260. Point B is due west of the pylon and the angle of elevation of S from B is 320.
Form 2 MathematicsThe marks obtained by 10 pupils in an English test were 15,14,13,12,P,16,11,13,12 and 17.The sum of the squares of the marks, ∑x = 21,794
Form 2 MathematicsGiven that tan 750 = 2 + √3, find without using tables tan 150 in the form p + q√m, where p,q and m are integers. Form 2 MathematicsForm 2 Mathematics
The diagram below ( not drawn to scale) represents the cross- section of a solid prism of height 8.0 cm
(a) Calculate the volume of the prism
(b) Given that the density of the prism is 5.75g/cm3, calculate its mass in grams (c) A second prism is similar to first one but is made of a different materials. The volume of the second is 246.24cm3 (i) calculate the area of the cross section of the second prism (ii) Given that the ratio of the mass of the first to that of the second is 2: 5 and the density of the second prism Form 2 Mathematics
On the Cartesian plane below, triangle PQR has vertices P(2, 3), Q ( 1,2) and R ( 4,1) while triangles P" Q" R" has vertices P" (-2, 3), Q" ( -1,2) and R" ( -4, 1)
(a) Describe fully a single transformation which maps triangle PQR onto triangle P"Q"R"
(b) On the same plane, draw triangle P"Q"R", the image of triangle PQR, under reflection in line y = -x (c) Describe fully a single transformation which maps triangle P"Q"R" onto triangle P"Q"R (d) Draw triangle P"Q"R" such that it can be mapped onto triangle PQR by a positive quarter turn about ( 0,0) (e) State all pairs of triangle that are oppositely congruent Form 2 MathematicsForm 2 Mathematics
A line with gradient of -3 passes through the points (3. k) and (k.8). Find the value of k and hence express the equation of the line in the form a ax + ab = c, where a, b, and c are constants.
Form 2 Mathematics
The length of a rectangle is (3x + 1) cm, its width is 3 cm shorter than its length. Given that the area of the rectangle is 28cm2, find its length.
Form 2 Mathematics
Solve the inequality 3 – 2x < x ≤ 2x + 5 and show the solution on the number line
Form 2 Mathematics |
Categories
All
Archives
December 2024
Latest Posts |
We Would Love to Have You Visit Soon! |
Hours24 HR Service
|
Telephone0728 450425
|
|
8-4-4 materialsLevels
Subjects
|
cbc materialsE.C.D.E
Lower Primary
Upper Primary
Lower Secondary
Upper Secondary
|
teacher support
Other Blogs
|