A = π r²
the formula for circumference of a circle is 2 x pi x r
Ample iron and coal resources are basic for industrial development.
Answer:
B
Explanation:
selective incorporation is basically the ability of the federal government to limit the state's lawmaking powers
Answer:
planet's orbital eccentricity and semi-major axis
Explanation:
The eccentricity and the semi - major axis controls the size and shape of the orbit of the planet . The value for the semi major axis is equal to the half of largest diameter of the elliptical orbit .
The eccentricity controls the shape of elliptical orbit . It is the ratio of the center to the focus ( sun ) length and the semi - major axis length .
