Triangle ABC and triangle DCE are congruent, so line DE = line AB
Use the cosine rule to find angle ACB






Angle ACB = 48.1°
Answer:
5,13,18
Step-by-step explanation:
guessing
10m ----> 3 sec
x meters ----> 50 sec
50(10) = 3x
500 = 3x
devide both in 3
x = 166.66 m
Answer:
64 points/80 points
80/100
Step-by-step explanation:
ez
Answer:
180%
Step-by-step explanation:
A full box shaded in plus 80% of another box is 180%.