Answer:
460.7
Step-by-step explanation:
it just 460.7
-2/3
-0.666
7⁴ is 2401
1⁵ is 1
7x7x7x7 is 2,401
1x1x1x1x1 is 1
x ≈ 2879.4 m
Measure of ∠DAC = 10°
Measure of ∠DAB = 90°
Measure of ∠BAC = 90° - 10° = 80°
By applying cosine rule in ΔABC,
cos(80°) =
=
0.17365 =
x =
x = 2879.36