Question
The diagonals of a rhombus are in the ratio 7:5, and its
area is 3,500 cm². A circle is formed taking the smaller diagonal as the diameter. Find the difference between the area of the circle and three-fourths of the area of the rhombus. (Take π = 3)Solution
ATQ,
Let diagonals = 7x and 5x
Area = (1/2) × 7x × 5x = 17.5x²
3500 = 17.5x² → x² = 200 → x = √200 ≈ 14.14
Smaller diagonal = 5x ≈ 70.7 cm
Radius ≈ 35.35 cm
Area of circle ≈ 3 × (35.35)² ≈ 3 × 1249.7 ≈ 3749.1 cm²
75% of rhombus = 0.75 × 3500 = 2625 cm²
Difference ≈ 3749.1 - 2625 = 1124.1 cm²
Select the most appropriate meaning of the given idiom.
To be on the same page
In the following question, a sentence is given with the phrase or idiom highlighted in bold. Select the option given below that cannot replace the phra...
After all the media attention, the event turned out to be a damp squib and very few people attended it.
Lack of civic-mindedness or of patriotism
Put the cat among the pigeons
To shorten a word/phrase/text
The sheriff rounded up a posse and chased the bank robbers.
Pick yourself up
Down To The Wire
A government by the military class
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