Changes
From Karnataka Open Educational Resources
18 bytes removed
, 05:41, 14 August 2014
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| ==Algorithm== | | ==Algorithm== |
| In the fig BC=38 cm and BQ=27 cm <br> | | In the fig BC=38 cm and BQ=27 cm <br> |
− | BQ=BR=27 cm (because by concept 1) <br> | + | BQ=BR=27 cm (∵ by concept 1) <br> |
| ∴CR=BC-BR=38-27=11 cm <br> | | ∴CR=BC-BR=38-27=11 cm <br> |
− | CR=SC=11 cm (because by concept 1) <br> | + | CR=SC=11 cm (∵ by concept 1) <br> |
| DC=25 cm <br> | | DC=25 cm <br> |
| ∴ DS=DC-SC=25-11=14 cm <br> | | ∴ DS=DC-SC=25-11=14 cm <br> |
− | DS=DP=14 cm (because by concept 1) <br> | + | DS=DP=14 cm (∵ by concept 1) <br> |
| Also AD⊥DC, OP ⊥ AD and OS ⊥ DC <br> | | Also AD⊥DC, OP ⊥ AD and OS ⊥ DC <br> |
| ∠D=∠S=∠P=90˚ <br> | | ∠D=∠S=∠P=90˚ <br> |
| ⇒ ∠O=90˚ <br> | | ⇒ ∠O=90˚ <br> |
− | therefore DSOP is a Square <br>
| + | ∴ DSOP is a Square <br> |
| SO=OP=14 cm <br> hence Radius of given circle is 14 cm | | SO=OP=14 cm <br> hence Radius of given circle is 14 cm |
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