Question

friends plz answer ​

Answer 1

1)

Area of square = 30625

=> s^2 = 30625 => s = 175m

then its perimeter = 4S = 4×175 = 700m

Given naman runs 4 rounds so distance covered by him = 4 × 700 = 2800m

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2) Let the side of first cube be (S) and the other

be (S')

(S)^3 = 343000 => s = 70cm

(S')^3 = 42875 => s = 35cm

The tank having 3,43,000 volume occupies more space because it's side is larger than the other

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3) i think question is wrong

Answer 2

Ques 3.

Answer:

After enlarging the now area of pool is 175.5 sq.m.

Step-by-step explanation:

Area of square pool = 144 sq.m

(side)² = (12)² sq.m

side = 12 m

a/q New side = 12 m + 1 m = 13 m

and , other New side = 12 m + 1.5 m = 13.5 m

Area of new pool = 13 m × 13.5 m= 175.5 sq. m

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