Question
A circular wire of diameter 56 cm is folded in the shape
of a rectangle whose sides are in the ratio 6:5. Find the area enclosed by the rectangle.Solution
Using the formula, Area = lb & D = 2r and A = πr² Radius of circular wire = 56/2 = 28 cm Circumference of wire = 2πr = 2 x (22/7) x 28 = 176 cm Let the length and breadth of rectangle be 6x & 5x cm respectively. Therefore, perimeter of rectangle = 2(6x + 5x) = 22x According to the question, 22x = 176 ⇒ x = 176/22 = 8 Therefore, length of rectangle = 6x = 6 x 8 = 48 cm Breadth of rectangle = 5x = 5 x 8 = 40 cm Area = 48 x 40 = 1920 cm²
Out-of-the-box record
P: political and economical growth
Q: would bring dividends
R: in peace of mind, savings and
Given below are four jumbled sentences. Select the option that gives their correct order.
A. Their names were Amulius and Numitor and both were...
Which of the following would be the FIRST statement after rearrangement?
Which of the following is the third sentence after rearrangement?
The Minister said the decision (A) would be satisfaction (B) in ensuring smooth and hassle-free procurement (C) to the instrumental (D) of the farmers.<...
Which would be the first sentence after rearrangement?
Select the most appropriate sequence from the given options to make a meaningful paragraph from jumbled sentences.
A. It is because nowadays pe...
Which of the following would be the THIRD statement after rearrangement?
Sentences of a paragraph are given below in jumbled order. Arrange the sentences in the right order to form a meaningful and coherent paragraph.
...
Sentences of a paragraph are given in jumbled order. The first and last sentences (S1 and S6) are given. Arrange the sentences in the correct order to f...
Relevant for Exams:
