Answer:
1:10,000,000
Step-by-step explanation:
To find, 1 km = 100,000 cm. So just multiply by that.
Hey, are you doing Russian math?
FYI I do that to
Answer:
m∠1 = 71°
Step-by-step explanation:
Angle 1 and 2 are complementary, meaning the measures of the two angles add up to 90°.
Set the measures of the two angles equal to 90°

Combine like terms

Solve for x

Plug the value of 'x' back into the given equation for the measure of angle 1

m∠1 = 71°
Answer:
R= sqrt 445
Y = 19
Step-by-step explanation:
Radius is the square root of 445
Find y
So, First step is to substitute what you have
-9^2 + y^2 = 445
81 + y^2 = 445
-81 -81
y^2 =364
Y is about 19
Let me know if I'm incorrect
Hope this helps :)