Question

help me please friend answer if u know if you don't know then don't answer please it's urgent don't report please​

Answer 1

prefect square of 9 is 81.

Sides of the rectangle are in the ratio of 4:5

Let the length l=5x

and the breadth b=4x

Now, perimeter =2(l+b)=90cm

2(5x+4x)=90

2(9x)=90

18x=90

x=5

Therefore, Length l=5x=25cm

and the breadth b=4x=20cm

• The probability of getting heads on the toss of a coin is 0.5. If we consider all possible outcomes of the toss of two coins as shown, there is only one outcome of the four in which both coins have come up heads, so the probability of getting heads on both coins is 0.25.

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