Ashadow of complete darkness is called the ?

One shadow is called the umbra which becomes smaller as it reaches the Earth. This is the dark center of the Moon's shadow. The second shadow is called thepenumbra. ... A total solar eclipse, or a complete blocking out of the Sun's light, can only be seen by those who live in the area covered by the umbra. hope this helps and can i get brainliest

S^2 = a4^2 = a4 * 4 = a16 centimeters = area of the square