30, 6+9= 15+4= 19+1= 20+10= 30
Hello!
Let O be the center of the sphere, A the tangency point and B the location of the satellite.
m<ABO = 1/2m(b) = 1/2 * 138 = 69
m<OAB = 90
m<AOB = 180 - 90 - 69 = 21
21 * 2 = 42
The answer is 42°
Hope this helps!
Juan did.
The line on his graph takes longer to get to 8 blocks.;-D
Answer:
80
Step-by-step explanation:
add