ne sketch. base 120 130 140 QUESTION 6 Water is scarce in South Africa. The annual average rain fall is 446 mm. According to Statistics South Africa (www.statssa.gov.za), 88,6% of the South African population has access to drinking water. The measurements of a water tank are given in metres. The water tank's radius is 14 m and its height is 10 m. [Adapted from www.statssa.gov.za] Explain the difference between diameter and radius. (2) Determine the diameter of the water tank. (2) The lid of the water tank must be painted on the outside, in order for it to be clearly visible. Calculate the area of the lid (in m2), if it has a radius of 14 m. You may use the following formula: Area = nx (radius)2, where n = 3,142 (2) A one-litre tin of paint covers an area of 15 m2. Calculate the area that can be covered with 17 litres of paint. (2)
ne sketch. base 120 130 140 QUESTION 6 Water is scarce in South Africa. The annual average rain fall is 446 mm. According to Statistics South Africa (www.statssa.gov.za), 88,6% of the South African population has access to drinking water. The measurements of a water tank are given in metres. The water tank's radius is 14 m and its height is 10 m. [Adapted from www.statssa.gov.za] Explain the difference between diameter and radius. (2) Determine the diameter of the water tank. (2) The lid of the water tank must be painted on the outside, in order for it to be clearly visible. Calculate the area of the lid (in m2), if it has a radius of 14 m. You may use the following formula: Area = nx (radius)2, where n = 3,142 (2) A one-litre tin of paint covers an area of 15 m2. Calculate the area that can be covered with 17 litres of paint. (2)
Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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Question
![tod in the sketch.
base
to
120
130
140
QUESTION 6
Water is scarce in South Africa. The annual average rain fall is 446 mm. According to
Statistics South Africa (www.statssa.gov.za), 88,6% of the South African population has
access to drinking water. The measurements of a water tank are given in metres. The water
tank's radius is 14 m and its height is 10 m.
[Adapted from www.statssa gov.za]
6.1
Explain the difference between diameter and radius.
(2)
6.2
Determine the diameter of the water tank.
(2)
The lid of the water tank must be painted on the outside, in order for it to be
clearly visible. Calculate the area of the lid (in m²), if it has a radius of 14 m.
6.3
You may use the following formula:
Area = n x (radius)² , where n= 3,142
(2)
A one-litre tin of paint covers an area of 15 m². Calculate the area that can be
covered with 17 litres of paint.
6.4
(2)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F48a5253c-d348-4399-b0dc-ff117f30b310%2F80606342-4f7e-4018-80b0-12993158f12f%2F4kmcvk9_processed.jpeg&w=3840&q=75)
Transcribed Image Text:tod in the sketch.
base
to
120
130
140
QUESTION 6
Water is scarce in South Africa. The annual average rain fall is 446 mm. According to
Statistics South Africa (www.statssa.gov.za), 88,6% of the South African population has
access to drinking water. The measurements of a water tank are given in metres. The water
tank's radius is 14 m and its height is 10 m.
[Adapted from www.statssa gov.za]
6.1
Explain the difference between diameter and radius.
(2)
6.2
Determine the diameter of the water tank.
(2)
The lid of the water tank must be painted on the outside, in order for it to be
clearly visible. Calculate the area of the lid (in m²), if it has a radius of 14 m.
6.3
You may use the following formula:
Area = n x (radius)² , where n= 3,142
(2)
A one-litre tin of paint covers an area of 15 m². Calculate the area that can be
covered with 17 litres of paint.
6.4
(2)
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