**Note : All the following questions pertainto the figure on the left which showsa square with semicircles on its opposite sides.**

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** **

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**1. If each side of the square is 14 cm, the perimeter of the figure equals :**

**a) 56 cm**

**b) 64 cm**

**c) 72 cm**

**d) 84 cm**

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**2. If each side of the square is 14 cm, the area of the figure equals :**

**a) 308 sq cm**

**b) 420 sq cm**

**c) 504 sq cm**

**d) 630 sq cm**

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**3. If the radius of each semicircle is 'r', the perimeter of the figure equals :**

**a) r(pi + 4)**

**b) 4r(pi +2)**

**c) 2r(pi + 2)**

**d) 2r(pi + 4)**

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**4. If the radius of each semicircle is 'r', the area of the figure equals :**

**a) (r^2)[pi + 2]**

**b) (r^2)[pi + 4]**

**c) 2(r^2)[pi + 4]**

**d) 4(r^2)[pi + 1]**

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**5. If the radius of each semicircle is 3.5 cm, the perimeter of the figure equals :**

**a) 35 cm**

**b) 42 cm**

**c) 50 cm**

**d) 56 cm**

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**6. If the radius of each semicircle is 3.5 cm, the area of the figure equals :**

**a) 87.5 sq cm**

**b) 60 sq cm**

**c) 93.5 sq cm**

**d) 105 sq cm**

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**7. If the perimeter of the figure is 72 cm, the radius of each semicircle is :**

**a) 7 cm**

**b) 10.5 cm**

**c) 14 cm**

**d) 17,5 cm**

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**8. If the perimeter of the figure is 72 cm, the area of the figure is :**

**a) 560 sq cm**

**b) 616 sq cm**

**c) 630 sq cm**

**d) 700 sq cm**

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**9. If the area of the figure is 1837.50 sq cm, then the radius of the semicircle is :**

**a) 10.5 cm**

**b) 14 cm**

**c) 17.5 cm**

**d) 21 cm**

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**10. If the area of the figure is 1837.50 sq cm, then the perimeter of the figure is :**

**a) 280 cm**

**b) 350 cm**

**c) 420 cm**

**d) 490 cm**

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**11. If the diagonal of the square is 7(rt2) cm, then the perimeter of the figure is :**

**a) 30 cm**

**b) 40 cm**

**c) 50 cm**

**d) 60 cm**

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**12. If the diagonal of the square is 7(rt2) cm, then the area of the figure is :**

**a) 70 sq cm**

**b) 73.5 sq cm**

**c) 80.5 sq cm**

**d) 87.5 sq cm**

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**----------Answer Key----------**

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**1. (c) **** ****2. (c) **** ****3. (d) **** ****4. (b) **** ****5. (c) **** ****6. (a)**

**7. (c)**

**8. (b)**

**9. (a)**

**10. (b)**

**11. (c)**

**12. (d)**

sir try this

ReplyDelete0.9999999999......(infinite times is

a)>1

b)<1

c)=1

d)i am a dimwit and cant decide between the three

ans- c

arunabh

Hi Arunabh! That's a good one... a classic limits example!

ReplyDelete