Question

In da ABC, if A=75 and B = 45
then b+ 20 is equal two
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Answer 1

Step-by-step explanation:

In da ABC, if A=75 and B = 45

then b+ 20 is equal two

Answer 2

the answer is

\sum\limits_{i=1}^n x_i = x_1 + x_2 + \dots + x_n

i = index of summation

n = upper limit of summation....