An example should help :-
Simplify sqrt 20:-
sqrt 20 = sqrt (4 * 5) = sqrt 4 * sqrt5 = 2 sqrt5
cube root of 54 = cube root 27 * cube root 2 = 3 cube root 2
The rule is to factor the number and look for perfect squares or cubes, etc.
The area is 289.22 units squared
Answer:
Common difference is 4
Step-by-step explanation:
25 , 29, 33,37,41
88 degrees is the correct answer