Answer:
1234567891011121314151617181920
Answer: 82°
Step-by-step explanation:
6 = 98°
180° - 98° = <em><u>82°</u></em>

therefore, sin(x) = cos(90° - x).
Answer:
D. None of the above; the triangles cannot be proven similar
Step-by-step explanation:
There are no signs that shows the triangles are similar or congruent for given information. So the answer is last option :
D. None of the above; the triangles cannot be proven similar
35 pencils would cost $2.80,
$1.60 / 20 = $.08
Each pencil costs $0.08 each
.08 * 35 = 2.80