square of 5=5*5=25
Now sum of 23 and square of 5=23+25=48
Now one third of sum of 23 and square of 5=48/3
=16
Hence 16 is answer
The sum of 32 is 9.
Calculate the sum
Calculate one third of the sum of 23 and the square of 5
A third of the sum. One-third of nine would be three, for instance.
Three ways.. Multiply n by itself. Calculate Sum[2i+1,{i,0,n-1}] Calculate Sum[n,{i,1,n}]
1/2*(sum of parallel bases)*height = area
one divided by three gives one third.
five-sixths
32 and two-thirds
In general, you divide up the polygon into triangles, calculate the areas of the triangles and then sum these.
8/15
10 --- 21