Question
If ABCD is an isosceles trapezium with AD = BC =20 cm,
DC = 40 cm, and AB = 25 cm, then find the sum of squares of the length of diagonals of the trapezium.?Solution
, ABCD is an isosceles trapezium, AC² + BD² = AD² + BC² + 2 × AB × DC (Property of an isosceles trapezium) AC² + BD² = 400 + 400 + 2 × (25 × 40) AC² + BD² = 800 + 2000 AC² + BD² = 2800 cm²
- 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
