Its an isosceles triangle
angle B = 47
and triangleADB is congruent to triangle ADC
from here we can say that BD = DC
now AD is a median and also altitude
so from here we can say angle x = 90
now in triangle ADB
90+47+y=180(ANGLE SUM PROPERTY )
y= 43
Answer:
A system of two linear equations that is independent and has no solution
Step-by-step explanation:
That’s the answer for E2020
1.) -11x
2.) 7x + 25
3.) -10xy
4.) 11k-1