Question
The perimeter of a rectangular field is 70 metres and
its area is 100.5 m2 . What is the length of the diagonal of this field?Solution
Let the length and breadth of the rectangular field be ‘p’ metres and ‘q’ metres respectively Then, according to the question, 2 × (p + q) = 70 Or, (p + q) = 70/2 = 35…… (1) Also p × q = 100.5 We know, (p + q)2 = p2 + q2 + 2pq Or, p2 + q2 = 352 – 2 × 100.5 Or, p2 + q2 = 1024 So, length of the diagonal of the rectangular field = √(length2 + breadth2) = √(p2 + q2) = √1024 = 32 metres
- Identify the INCORRECTLY spelt word in the following sentence and select its correct spelling from the given options.
The committee appreciated her... 1) Decietful
2) Desolate
3) Ingridient
4) Poisonus
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In the question below, a sentence is given, four words have been highlighted in bold. Find out if the words are appropriate (grammatically and contextu...
- Choose the word that is misspelled:
Choose the correct spelling of the words below.
Choose the correctly spelt word.
1) depraive
2) deprave
3) deprayve
4) deprawve
5) none of these
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