Answer:
154.6 units²
Step-by-step explanation:
½ × 21 × 16 × sin(67)
154.644815388
Angle D is 60° because it is a supplementary angle, meaning 180 (straight line) - 120 (angle A) = 60°
Answer:
(x , 4-2x)
Graph image is attached.
Step-by-step explanation:
The ladder should be placed three feet away from the wall