9514 1404 393
Answer:
30°, 150°
Step-by-step explanation:
You know the answer to this because you have memorized the short table of trig function values.
sin(θ) = 1/2 for θ = 30° and θ = 150°
37 and 39
60 × 66,666
60 × 666,666
If you look at the pattern on the top numbers, you can see that there is one six that keeps on getting added. I'm not sure of my answer, but that is what I would put.
Area of the rectangle
Area of the semicircles
Area of the figure
= 76.3in²
(rounded)
Answer
4:6, 6:9, 8:12
