Answer:
3 +
is irrational, as
is an irrational number in itself, not being able to change into a fraction as it is a non-terminated number.
~
Answer:
x=51
Explanation:
the total interior degrees of a triangle are 180°
16 cm - 2.5 cm = 13.5 cm, which is 1/4 of the diameter of the large gear. Take 13.5 cm * 4, and you have the diameter of the large gear, which is 54 cm.
Uhh me neither thats very complicated