MCQOPTIONS
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| 1. |
Four cows are tied at the four corner of the square field of side \[20\text{ }m,\]so that they can just reach to each other. What is the area of the field which remain ungrazed? |
| A. | \[40\text{ }{{m}^{2}}\] |
| B. | \[\text{86 }{{m}^{2}}\] |
| C. | \[\text{60 }{{m}^{2}}\] |
| D. | \[\text{172 }{{m}^{2}}\] |
| Answer» C. \[\text{60 }{{m}^{2}}\] | |