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23 Jul 2019, 03:01
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E
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
5%
(low)
Question Stats:
96% (00:24) correct
4%
(01:00)
wrong
based on 101
sessions
History
Date
Time
Result
Not Attempted Yet
Adam wants to build a fence around his rectangular garden of length 10 metres and width 15 metres. How many metres of the fence he should buy to fence the entire garden?
- A. 20 metres
B. 25 metres
C. 30 metres
D. 40 metres
E. 50 metres
23 Jul 2019, 03:27
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According to the formula of circumference of the rectangular shape, we will have:
(10+15)×2=50
Option (E)
Posted from my mobile device
(10+15)×2=50
Option (E)
Posted from my mobile device
25 Jul 2019, 01:02
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Solution
Given:
- • Adam has a rectangular garden.
- o It has length of 10 metres and width of 15 metres.
o He wants to build a fence around it.
To find:
- • The length required to build the fence around the entire garden.
Approach and Working Out:
Fence can only be built around the outside sides of garden.
- • So, the total length of fence required= Sum of lengths of all the sides of the garden.
- o Since the garden is rectangular, sum of the length of all the sides is nothing but the perimeter of the garden.
o Perimeter = 2 × (10 + 15) = 50 metres
Hence, the required length of fence is 50 metres.
Therefore, Option E is the correct answer.
Answer: E
