The answer to this question will be D
Answer:66.6 but if round 67%
Step-by-step explanation:
Because 52 ÷78 =66.6
So it's 67%
Answer:
4
Step-by-step explanation:
In triangle, ABD,
AD²= AB²+BD²
AB² = AD²-BD²
AB² = 18²-9² = 324-81 = 243
AB = √243
In triangle, ABC,
AC² = AB²+BC²
AC² = (√243)²+(13)²
AC² = 243+169
AC = √412
AC = 20.29
