Answer:
2 kilograms
Step-by-step explanation:
4x-10+5x-22+3x+2=180
So x=35/2 or 17.5
x^2+y^2=r^2 --> subtract x^2 to other side
y^2=r^2-x^2 --> square root both sides
y=sqrt(r^2-x^2)
Angle B = 54°
complimentary means they add up to 90
54 + 36 (angle A) = 90
also x= 51