Answer:
x=120°
Step-by-step explanation:
sum of all angles in a triangle is equal to 180
let the unknown angle be



The degree of the monomial 3x4y3 is 7
Answer:
120 cm squared
Step-by-step explanation:

Answer: 63 degrees.
Step-by-step explanation:
Angles in a triangle add up to 180 degrees.
Therefore: 54 + y + y = 180
So 54 + 2y = 180
So 2y = 126
Therefore y = 63 degrees.
Answer:
you would need to see which one adds up or just an answer out in the wen then see what you get from there if not go find another way
Step-by-step explanation: