Answer:
CD=9
Step-by-step explanation:
ΔABD=>
AD²=AB² + BD² [Pythagorean Theorem]
BD²= AD²-AB²
BD²=9²-3²
BD²=72
BD=√72=6√2....(1)
ΔBCD=>
CD²=BD²+BC²
CD²=(6√2)² + 3²
CD²=72+9
CD²=81
CD=√81
CD=9
Answer:
2*2
4/2
Step-by-step explanation:
just use any numbers
<span> 6 cans of juice costs $3.48
we put cans under cans and dollars under dollars
</span><span> 6 cans of juice ---------------> $3.48
</span>1 can --------------------------->n??$
cross multiplication
n= 1* 3.48 /6 = 0.56 $