Step-by-step Answer:
To prove
Triangle ADC is congruent to triangle BDC
AC=BC (given)
DC=DC (common)
AD=BD (given CD bisects AB)
Therefore triangle ACD is congruent to BDC (justification: SSS)
Answer:
x= 1± over 2
Step-by-step explanation:
f=6×9
aubstituting f=6×9
6×9×16=b
864=b
