Answer:
-1/2
Step-by-step explanation:
sin(30 degrees) = sin (pi/6) = 1/2
cos(30 degrees) = cos (pi/6) = [sqrt(3)]/2]
sin (60 degrees) = sin(pi/3) = [sqrt(3)]/2]
1/2 - [sqrt(3)/2] / [sqrt(3)/2] = -1/2
Answer:
subtotal 9.76
Step-by-step explanation:
i can tell the last 2
hope this helps
pls mark brainliest
Answer:
144π
Step-by-step explanation:
radius = 12 cm
area of the circle = π* r² = π * 12² = 144π
40*4.5 +45= 225
If the service fee is not relavent to time based on my understanding.
Answer:
20
Step-by-step explanation:
Given: F = 11, C = 11, E=?
By Euler's formula, we have:

Hence, the solid will have 20 edges.