The answer is 20 because if you divide 15:20 by 5, you get 3:4. hope this helps!
The answer is 126 degrees
You just have to find the angle whose sine is 0.1045. Use the sin-1 key on your calculator ( make sure its set to degrees first)
m < B = 6.000 degrees to nearest thousandth
Simplify it to 16a hope im right & hope this helps you .
The lateral and surface area of the figure is 21
