The figure below is a cone whose base radius is 7cm and slant height 14cm. The net of the cone is a sector of a...

The figure below is a cone whose base radius is 7cm and slant height 14cm. The net of the cone is a sector of a circle.

a) Find the angle substended at the centre of the sector.
b) Draw the net of the solid.

---

---

sharon kalunda answered the question on May 3, 2019 at 07:58

Exams With Marking Schemes

• Grade 1
• Grade 2
• Grade 3
• Grade 4
• Grade 5
• Grade 6
• Grade 7
• Grade 8
• Grade 9
• PP1
• PP2
• Playgroup
• Form 1
• Form 2
• Form 3
• Form 4

Related Questions

---

• Solve the simultaneous inequalities and represent the solution on a number line; 4 - 2x < 8 and 2 - 3x = - 7 (Solved)
  

  Solve the simultaneous inequalities and represent the solution on a number line; 4 - 2x < 8 and 2 - 3x ≥ - 7

  Date posted: May 3, 2019 .    Answers (1)

• Given that a = 5i + 4j, b = 3i - 2j and c = 7i + 10j; find the scalars m and n such... (Solved)
  

  Given that a = 5i + 4j, b = 3i - 2j and c = 7i + 10j; find the scalars m and n such that ma + nb = c

  Date posted: May 3, 2019 .    Answers (1)

• In the figure below O is the centre of the circle diameter AB. 0, AX = 4cm and PX = 10cm. Calculate the radius... (Solved)
  

  In the figure below O is the centre of the circle diameter AB. 0, AX = 4cm and PX = 10cm.
  Calculate the radius of the semi-circle.
  

  Date posted: May 3, 2019 .    Answers (1)

• Kairietu is now four times as old as her daughter and six times as old as her son. Twelve years from now, the sum of the... (Solved)
  

  Kairietu is now four times as old as her daughter and six times as old as her son. Twelve years from now, the sum of
  the ages of her daughter and son will differ from her age by 9 years. What is Kairietu’s present age?

  Date posted: May 3, 2019 .    Answers (1)

• A square whose vertices are P(1, 1), Q(2, 1), R(2, 2) and S(1, 2) is given an enlargement with centre at (0, 0). Find the images... (Solved)
  

  A square whose vertices are P(1, 1), Q(2, 1), R(2, 2) and S(1, 2) is given an enlargement with centre at (0, 0).
  Find the images of the vertices if the scale factor is 3.

  Date posted: May 3, 2019 .    Answers (1)

• The cash price of a music system is kshs. 30,000. It can be bought under hire purchase terms by paying a deposit of kshs. 10,000 and... (Solved)
  

  The cash price of a music system is kshs. 30,000. It can be bought under hire purchase terms by paying a deposit of
  kshs. 10,000 and twelve monthly installments of Kshs. 3,200 per month. Determine the percentage rate of interest per
  month.

  Date posted: May 3, 2019 .    Answers (1)

• In the figure below, O is the centre of the circle. PQ is parallel to OR and PQO = 40⁰, find (Solved)
  

  In the figure below, O is the centre of the circle. PQ is parallel to OR and PQO = 40⁰, find

  Date posted: May 3, 2019 .    Answers (1)

• Given that Sin x = 3/4 find without using tables or calculators. (Solved)
  

  Given that Sin x = 3/4 find without using tables or calculators.
  a) Cos x
  b) Tan (90 - x)

  Date posted: May 3, 2019 .    Answers (1)

• A polygon of n sides has half of the interior angles 150⁰ each and the rest 170⁰ each. Find the value of n. (Solved)
  

  A polygon of n sides has half of the interior angles 150⁰ each and the rest 170⁰ each. Find the value of n.

  Date posted: May 3, 2019 .    Answers (1)

• If 2/3 is added to the numerator of a certain fraction the fraction will be increased by 1/21 and if 1/2 is deducted from its denominator... (Solved)
  

  If 2/3 is added to the numerator of a certain fraction the fraction will be increased by 1/21 and if 1/2 is deducted
  from its denominator that fraction becomes 2/9. Find the reciprocal of the fraction.

  Date posted: May 3, 2019 .    Answers (1)

• Simplify the expression. (Solved)
  

  Simplify the expression.
  
  Hence solve the equation
  

  Date posted: May 3, 2019 .    Answers (1)

• Simplify completely (Solved)
  

  Simplify completely
  

  Date posted: May 3, 2019 .    Answers (1)

• The position of two towns A and B on earth surface are (36⁰N, 49⁰E) and (36⁰N, 131⁰W) respectively.Take R = 6370 (Solved)
  

  The position of two towns A and B on earth surface are (36⁰N, 49⁰E) and (36⁰N, 131⁰W) respectively.Take R = 6370
  a) Find the difference in longitude between the town A and B.
  b) Calculate the distance between A and B along the latitude in
  i) nautical miles
  ii) kilometres
  c) i) Another town C is 840km East of town B and on the same latitude as town A and B . Find the position of town C.
  ii) If the local time in B is 7.30 a.m, find the local time in C.

  Date posted: May 3, 2019 .    Answers (1)

• The first, third and sixth terms of an arithmetic progression (AP) correspond to the first three consecutive terms of a geometric progression (GP). The first term... (Solved)
  

  The first, third and sixth terms of an arithmetic progression (AP) correspond to the first three consecutive terms of a
  geometric progression (GP). The first term of each progression is 16, common difference of AP and d and common
  ratio of the GP is r.
  a) i) Write two equations involving d and r.
  ii) Find the values of d and r.
  b) Find the sum of the first 20 terms in the
  i) Arithmetic progression (AP).
  ii) Geometric progression (GP)

  Date posted: May 3, 2019 .    Answers (1)

• A company is to construct a parking bay whose area is 135m². It is to be covered with a concrete slab of uniform thickness of 150mm.... (Solved)
  

  A company is to construct a parking bay whose area is 135m². It is to be covered with a concrete slab of uniform
  thickness of 150mm. To make the slab, cement, ballast and sand are to be mixed so that their masses are in the ratio 1 :4 : 4. The mass of 1m³ of dry slab is 2500kg. Calculate
  a) i) the volume of the slab.
  ii) the mass of the dry slab.
  iii) the mass of cement to be used.
  b) If one bag of cement is 50kg, find the number of bags to be purchased.
  c) If a lorry carries 7 tonnes of sand, calculate the number of lorries of sand to be purchased.

  Date posted: May 3, 2019 .    Answers (1)

• Use method of completing of square leaving your answer in a simplified surds x² = 7x - 2 (Solved)
  

  Use method of completing of square leaving your answer in a simplified surds x² = 7x - 2

  Date posted: May 3, 2019 .    Answers (1)

• Given matrices A and C as follows; (Solved)
  

  Given matrices A and C as follows;
  
  
  Find a matrix B so that BA = c

  Date posted: May 3, 2019 .    Answers (1)

• Find the value of x in the equation 10Cos²x - 7sinx + 2 = 0 for domain 0⁰= x = 360⁰. (Solved)
  

  Find the value of x in the equation 10Cos²x - 7sinx + 2 = 0 for domain 0⁰≤ x ≤ 360⁰.

  Date posted: May 3, 2019 .    Answers (1)

• Simplify the following expression as far as possible. (Solved)
  

  Simplify the following expression as far as possible.
  
  Hence or otherwise simplified
  

  Date posted: May 3, 2019 .    Answers (1)

• The vectors a = (2x - 4)i + (x - 3)j + (x - 2)k and the length of /a/ = 7. Find two possible... (Solved)
  

  The vectors a = (2x - 4)i + (x - 3)j + (x - 2)k and the length of /a/ = 7. Find two possible values of x.

  Date posted: May 3, 2019 .    Answers (1)