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6. Mensuration
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Q2 of 61 Page 93

A square shaped park ABCD of side 100m has two equal rectangular flower beds each of size10m × 5m (Fig. 6.5). Length of the boundary of the remaining park is

Given:


Side = 100 m


Flower Bed length = 10 m


Flower Bed breadth = 5 m



∴ Length of boundary of remaining park = Sum of all sides


= [90 + 5 + 10 + 95 + 90 + 5 + 10 + 95]


= 400 m


So correct answer is B [400 m].

More from this chapter

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1

Following figures are formed by joining six unit squares. Which figure has the smallest perimeter in Fig. 6.4?


3

The side of a square is 10cm. How many times will the new perimeter become if the side of the square is doubled?

4

Length and breadth of a rectangular sheet of paper are 20cm and10cm, respectively. A rectangular piece is cut from the sheet as shown in Fig. 6.6. Which of the following statements is correct for the remaining sheet?

5

Two regular Hexagons of perimeter 30cm each are joined as shown in Fig. 6.7. The perimeter of the new figure is

Questions · 61
6. Mensuration
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