Form 2 Mathematics
The figure below represents a triangular tower garden ABC in which AB = 4 in, BC = 5m and ∠BCA = 30°. Point D lies on AC such that BD = 4 m and ∠BDC is obtuse.
Find, correct to 2 decimal places:
(a) ∠BDC; (b) the length of AD; (c) the length of DC; (d) the area of the flower garden ABC.
answers
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Form 4 Mathematics
The heights of 40 athletes in a county athletics competition were as shown in the table below
(a) Find the value of X.
(b) State the modal class. (c) Calculate: (i) The mean height of the athletes; (ii) The median height, correct to 1 decimal place,of the athletes
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Form 4 Mathematics
The figure below is a right pyramid VEFGHI with a square base of 8cm and a slant edge of 20cm Points A B C and D lie on the slant edges or the pyramid such that VA = VB = VC = VD = 10 cm and plane ABCD is paralell to the base EFGH.
(a) Find the length of AB.
(b) Calculate to 2 decimal places (i) The length of AC (ii) The perpendicular height of the pyramid VABCD (c) The pyramid VABCD was cut off. Find the volume of the frustum ABCDEFGH correct to 2 decimal places
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Form 2 Mathematics
A triangle ABC with Vertices A (-2,2),B (1,4)and C (-1,4) is mapped on to triangle A'B'C' by a reflection in the line y=x+1.
(a) On the grid provided draw (i) triangle ABC (ii) the line y = x + 1; (iii) triangle A'B'C'. (b) Triangle A"B"C" is the image of triangle A'B'C' under a negative quarter turn (0,0). On the same grid, draw triangle A"B"C". (c) State the type of congruence between triangles: (i) ABC and A’B’C’; (ii) A’B’C’ and A”B”C”
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Form 2 Mathematics
(a) A line, L1, posies through tho points (3,3) and (5,7). Find the equation of L1, in the form y = mx+c where m and c arc constonti.
(b) Another line L2 is perpendicular to L1, and passes through (-2, 3). Find: (i) the equation of L2; (ii) the x-intercept of L2. (c) Determine the point of intersection of L1, and L2.
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Form 2 Mathematics
A rectangular water tank measures 2.4 m long, 2 m wide and 1.5 m high. The tank contains some water up to a height of 0.45 m.
(a) Calculate the amount of water, in litres, needed to fill up the tank (b) An inlet pipe was opened and water let to flow into the tank at a rate of 10 litres per minute.After one hour, a drain pipe was opened and water allowed to flow out of the tank at a rate of 4 litres per minute. Calculate: (i) the height of water in the tank after 3 hours; (ii) the total time taken to fill up the tank.
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Form 2 Mathematics
A bus plies between two towns P and R via town Q daily. On each day it departs from P at 8.15 a.m. and stops for 40 minutes at Q before proceeding to R.
On a certain day, the bus took 5 hours 40 minutes to travel from P to Q and 3 hours 15 minutes to travel from Q to R. Find, in 24 hour clock system, the time the bus arrived at R.
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Form 2 Mathematics
A trader bought two types of bulbs A and B at Ksh 60 and Ksh 56 respectively. She bought a total of 50 bulbs of both types ct a total of Ksh 2872.
Determine the number of type A bulbs that she bought.
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Form 2 Mathematics
Solve the inequality 2x - 1 ≤ 3x + 4 < 7 - x.
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Related Questions and Answers on Linear InequalitiesForm 1 Mathematics
Using a ruler and a pair of compass only, construct a rhombus PQRS such that PQ = 6cm and SPQ = 75°.
Measure the length of PR.
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Form 1 Mathematics
A tourist converted 5820 US dollars into Kenya Shillings at the rate of Ksh 102.10 per dollar. While in Kenya, he spent Ksh450 000 and converted the balance into dollars at the rate of Ksh 103.00 per dollar.
Calculate the amount of money, to the nearest dollar, that remained.
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Form 3 Mathematics
Given that sin 2x = cos (3x — 10°), find tan x, correct to 4 significant figures.
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Form 1 Mathematics
A retailer bought a bag of tea leaves. If the retailer were to repack the tea leaves into smaller
packets of either 40 g, 250g or 350 g, determine the least mass, in grams, of the tea leaves in the bag.
ANSWER
Form 1 Mathematics
Three villages A, B and C rife Such that B is 53 km on a bearing of 295° from A and C is 75 km east of B.
(a) Using a scale of 1 cm to represent 10 km, draw a diagram to show the relative positions of villages A, B and C. (b) Determine the distance, in km, of C from A.
answer
Form 1 Mathematics
In the trapezium PQRS shown below, PQ = 8 cm and SR = 6 cm.
If the area of the trapezium is 28 cm², find the perpendicular distance between PQ and SR.
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Form 2 Mathematics
Juma left his home at 8.30a.m. He drove a distance of l40km and arrived at his aunt’s home at 10.15 a.m.
Determine the average speed, in km/h, for Juma’s journey.
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Form 2 Mathematics
Express 1728 and 2025 in terms of their prime factors. Hence evaluate:
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