Study resources on Kenyaplex

Get ready-made curriculum aligned revision materials

Exam papers, notes, holiday assignments and topical questions – all aligned to the Kenyan curriculum.

Or go directly to:

Class notes Holiday assignments Topical questions Other resources

The figure below shows a solid frustum with a rectangular base measuring 18cm by 24cm and the top measuring 6 cm by 8cm. The slant edges...

The figure below shows a solid frustum with a rectangular base measuring 18cm by 24cm and the top
measuring 6 cm by 8cm. The slant edges are each 26cm long.

Determine:
a) Height of the original pyramid.
b) Volume of the frustum.
c) Density in g/cm³ if the solid has a mass of 7.488kg

Answers

sharon kalunda answered the question on August 20, 2019 at 06:05

Answer Attachments

Next: Sketch and label the net of the prism shown below.

Previous: Given below are some of the balances extracted from the books of Kings Traders on 31st May 2018.

View more Mathematics Questions and Answers | Return to Questions Index

Exams With Marking Schemes

Related Questions

Sketch and label the net of the prism shown below. (Solved)

Sketch and label the net of the prism shown below.

Date posted: August 20, 2019 . Answers (1)
The gradient of a curve at any point (x, y) is given by 3x² + 2x. If the curve passes through the point (-2, 1). (Solved)

The gradient of a curve at any point (x, y) is given by 3x² + 2x. If the curve passes through the point (-2, 1). Find its equation.

Date posted: August 20, 2019 . Answers (1)
In the figure below O is the centre of a circle and PS is the diameter. QR is parallel to PS. If anglePSQ = 25^o... (Solved)

In the figure below O is the centre of a circle and PS is the diameter. QR is parallel to PS. If angle PSQ = 25^o and angle POT = 120^o.

a) Angle QRP
b) Angle PTO
c) Angle QPT
d) Angle QPS
c) Angle PTS

Date posted: August 20, 2019 . Answers (1)
A circle of radius 7 units has it’s centre at the point of intersection between the lines x + 2y + 1 = 0 and... (Solved)

A circle of radius 7 units has it’s centre at the point of intersection between the lines x + 2y + 1 = 0 and 2x + 3y – 3 = 0. Find the equation of the circle expressing it in the form x² + y² + yx + fy + c = 0.

Date posted: August 20, 2019 . Answers (1)
Use the tables of squares, square roots and reciprocals only to find the value of (Solved)

Use the tables of squares, square roots and reciprocals only to find the value of

Date posted: August 20, 2019 . Answers (1)
Represent the solution on a number line. (Solved)

Solve the inequalities hence represent the solution on a number line.

Date posted: August 20, 2019 . Answers (1)
Show that the points P(3, 4), Q(4, 3) and R(1, 6) are collinear. (Solved)

Show that the points P(3, 4), Q(4, 3) and R(1, 6) are collinear.

Date posted: August 20, 2019 . Answers (1)
The mean of five numbers is 20. The mean of the first three numbers is 16. (Solved)

The mean of five numbers is 20. The mean of the first three numbers is 16. The fifth number is greater than the fourth by 8. Find the fifth number.

Date posted: August 20, 2019 . Answers (1)
If a = 3.2 cm b = 5.6 cm and c = 2.4cm. Find the percentage error in evaluating. ( a+ c) – b (Solved)

If a = 3.2 cm b = 5.6 cm and c = 2.4cm. Find the percentage error in evaluating.
( a+ c) – b

Date posted: August 20, 2019 . Answers (1)
Find the values of a, b and c. (Solved)

Given that Find the values of a, b and c.

Date posted: August 20, 2019 . Answers (1)
A form four class has 13 girls and 7 boys. The mean mark for the 13 girls is 48% while the mean mark for the... (Solved)

A form four class has 13 girls and 7 boys. The mean mark for the 13 girls is 48% while the mean mark for the whole class is 41%. Calculate the mean mark for the 7 boys.

Date posted: August 20, 2019 . Answers (1)
Solve the equation 2x² + 3x = 5 by completing the square method. (Solved)

Solve the equation 2x² + 3x = 5 by completing the square method.

Date posted: August 20, 2019 . Answers (1)
Given that 5^x = 7^y, find the ratio x : y (Solved)

Given that 5^x = 7^y, find the ratio x : y

Date posted: August 20, 2019 . Answers (1)
Find the possible values of x in the equation 9x² = 27^{(2x+ 12)} (Solved)

Find the possible values of x in the equation 9x² = 27^{(2x+ 12)}

Date posted: August 20, 2019 . Answers (1)
A car traveling at 104km/hr is 297m behind another car traveling at 71km/hr in the same direction. How long does it take the faster car... (Solved)

A car traveling at 104km/hr is 297m behind another car traveling at 71km/hr in the same direction. How long does it take the faster car to overtake the slower one?.

Date posted: August 20, 2019 . Answers (1)
The equation of line AB in the figure below is y = 3x + 5 and A is the point (0, a). (Solved)

The equation of line AB in the figure below is y = 3x + 5 and A is the point (0, a). Line PQ is parallel to AB and AP = 7 units.

(i) Find the value of a.
(ii) Write down the equation of PQ.

Date posted: August 20, 2019 . Answers (1)
Evaluate: (Solved)

Evaluate:

Date posted: August 20, 2019 . Answers (1)
In the figure below EFGH is a rhombus and DEF is a quilaterial triangle. Calculate ?HDG giventhat ?HED = 20^o (Solved)

In the figure below EFGH is a rhombus and DEF is a quilaterial triangle. Calculate ?HDG given that ?HED = 20^o

Date posted: August 19, 2019 . Answers (1)
Use tables of square, square roots and reciprocals to evaluate. Showing every step in your working. (Solved)

Use tables of square, square roots and reciprocals to evaluate. Showing every step in your working.

Date posted: August 19, 2019 . Answers (1)
A parallelogram OACB is such that OA = a, OB = b. (Solved)

A parallelogram OACB is such that OA = a, OB = b. D is the mid point of BC OE = hOC and AE = kAD.
(a) Express the following in terms of a, b, h and k.
(i) OC
(ii) OE
(iii) AD
(iv) AE

(b) Find the values of h and k.

(c) Determine the ratios:
(i) AE : ED
(ii) OE : OC

Date posted: August 19, 2019 . Answers (1)