Answer:
Step-by-step explanation: I have no idea what he answer is when u get it could u tell me
Mannn what the heck...it’s so confusing sorry I couldn’t read.its messing
Area of a circle = pi * r^2 = pi * diameter^2 * 1/4
Answer:

Step-by-step explanation:
sum of interior angles in a triangle is 180 degree
interior angles are (5x+3y)∘,(3x+20)∘, and (10y+30)
add all the angles and make it equal to 180

combine like terms


subtract 50 from both sides
