Which division problem does the number line below best illustrate? A number line going from 0 to 2 in increments of 0.2.

1. 2 divided by one-fifth = 10
2. 1 divided by one-fifth = 10
3. 2 divided by one-tenth = 5
4. 1 divided by one-tenth = 5

With these 5 geometry questions! pls 1.)quadrilateral abcd is inscribed in this circle.what is the measure of ∠a ? enter your answer in the box.°2.)quadrilateral abcd is inscribed in a circle.what is the measure of angle a? enter your answer in the box.m∠a= 3.)quadrilateral abcd is inscribed in this circle.what is the measure of angle b? enter your answer in the box.m∠b= °4.)quadrilateral abcd is inscribed in this circle.what is the measure of angle a? enter your answer in the box.°5.) quadrilateral abcd is inscribed in this circle.what is the measure of angle c? enter your answer in the box.°