प्रश्न नं. 1 जस्तै गरी (a+b) र (a-b) रुपका दुई दुई ओटा समस्या बनाई समाधान गर : साथीसँग आपसमा समाधान गरी उत्तर जाँचेर हेर।

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step-by-step explanation:

the correct answer would be c

what's the question here?

measurement of the swimming pool is given as = 7 yards 4.79 feet

first we will convert this to yards only.

1 foot = 0.33 yards

so, 4.79 feet = yards

so total yards are = yards

now we will convert this in meters.

1 yard = 0.914 meters

8.580 yards = meters

0.842 m = 0.842*100 = 84.2 cm

this becomes 7 meters and 84.2 cm

hence, the pool is 7 meters and 84.2 cm wide.