Answer: A≈78.54
Step-by-step explanation: A=πr2=π·52≈78.53982
74 - 2m
"decreased by" means subtracted by and twice of Malik's height would be 2 multiplied by his height.
we know that
A quick way to estimate the sum of two numbers is to round each number and then add the rounded numbers
case a) We round the number to the nearest hundred
so
Round up is equal to 
Round up is equal to 
Find the estimate sum

case b) We round the number to the nearest tens
so
Round up is equal to 
Round down is equal to 
Find the estimate sum

Hey there mate ;),
According to given conditions, your question is :

So, now calculating,

<em>Now </em><em>lets solve </em><em>by </em><em>reducing </em><em>to </em><em>lowest </em><em>terms,</em>

<em>Now </em><em>by </em><em>di</em><em>viding,</em><em> </em><em>we </em><em>get,</em>

<em>Therefore,</em><em> </em>
