Which of the following best describes a lens galaxy? O A group of stars that serve as a quick reference to different parts of the sky

O Several billion stars arranged in a disc shape that has uneven edges

O Millions of planets arranged in the shape of a disk with spiraling arms

O Billions of stars arranged in a circular pattern with a flattened core

were is the equation

answer: about 22.67

step-by-step explanation:

step-by-step explanation :

we know that

the measurement of the outer angle is the semi-difference of the arcs which comprises

in this problem

m< xzy is the outer angle

substitute the values

the measure of angle xoy is equal to

> by central angle

substitute the value

step-by-step explanation:

left be aligning the decimal points is required to not required see the number of digits to the right