There is 819 4 digit numbers in 11
All the angles in a triangle add up to 180 degrees and a right angle is 90 degrees. This leaves 90 degrees and 90-47=43. Angle C=43 degrees
Answer:
V =486 ft^3
Step-by-step explanation:
We will assume that the driveway is rectangular
V = l*w*h where l is the length, w is the width and h is the height
V = 81 * 12* 1/2
V =486 ft^3
Answer:
Explanation:
The figure attached shows sketches the situation described.
You have two right triangles.
For the right triangle with the plane on the position A, you can write:
⇒ H = (800 + x) tan(20º)
For the right triangle with the plane on the position B, you can write:
⇒ H = x tan(21.4º)
To solve, equal both equations:
- x tan(21.4º) = (800 + x) tan(20º)
- x tan(21.4º) = 800 tan(20º) + x tan(20º)
- x = 800 tan(20º) / ( tan(21.4º) - tan(20º) )
Substitute in the equation H = x tan(21.4º)
- H = 10,426.899856 × tan(21.4º) = 4,086 ft
Rounding to one signficant figure that is 4,000 ft.