Area Problems

Area Problems
The altitude of an equilateral triangle of side 2 ? 3 cm is?

3 cm

? 3/2 cm

1/2 cm

? 3/4

3 cm

? 3/2 cm

1/2 cm

? 3/4

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Area Problems
The radius of a circle has been reduced from 9 cm to 7 cm . the appropriate percentage decrease in area is?

65.5 %

39.5 %

34.5 %

31.5 %

65.5 %

39.5 %

34.5 %

31.5 %

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Area Problems
Four horses are be tethered at four concern of a square plot of side 63 meters, so that they just cannot reach one another. The area left ungrazed is?

780.6 m2

675.5 m2

785.8 m2

850.5 m2

780.6 m2

675.5 m2

785.8 m2

850.5 m2

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Area Problems
A room of 5m 44cm long and 3m 74cm broad is to be paved with squre tiles. Find the least number of squre tiles required to cover the floor.

146

136

176

166

146

136

176

166

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Area Problems
The length and breadth of a rectangular piece of land are in the ratio of 5:3, the owner spent Rs.3000 for surrounding it from all the sides at Rs.7.50 per meter. The different between its length and breadth is?

200 m

100 m

50 m

150 m

200 m

100 m

50 m

150 m

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Area Problems
An error 2% in excess is made while measuring the side of a square. The percentage of error in the calculated area of the square is:

4%

4.04%

2.02%

2%

4%

4.04%

2.02%

2%

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