If certain code language if four is written as 2116 what will be code of nest in same language

Opposite angles in a cyclic quadrilateral add up to 180°

First step is to get rid of the square root. remember that a square root is the same as raising to the (1/2) power. see below: multiply exponents per exponent rules to get: remember you subtract exponents from the denominator and add exponents in the numerator so: simplify further: so a is the correct choice. if you don't understand this google exponent rules and it will you understand. look at the image results.

Ava is 112 cm  olivia is 89 cm