Question

find the square of 30.5 using identity​

Answer 1

Answer:

30.5

( 30 + 0.5 ) ^ 2

( 30 ) ^2 + ( 0.5 ) ^ 2 + 2 × 30 × 0.5

900 + 0.25 + 30

930.25

Step-by-step explanation:

By using identity ( a + b ) ^ 2