Answer:
AC = 12 units.
Step-by-step explanation:
Δ ACD is right-angled. ( as CD ⊥ AB).
cos 45° = CD / AC = 6√2 / AC
AC = 6√2 / cos 45°
AC = 6√2 / 1 /√2
= 6√2 *√2
= 6 * 2
= 12 (answer)
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Answer:
6.2 is the answer you are looking for
Answer: b = 20 c = 160
Step-by-step explanation:
the value of a straight angle is 180, so 180-20= 160
8 divided by 18 = 0.444
-Corey