Question

Given: AD diameter of circle P.
If m < 1= 30, then m AB=
A) 15
B) 30
C) 60

Answer 1

The measure of an arc is the size of the corresponding central angle, so angle 1 for AB,

Answer: B

Answer 2

Option B
`30\°`

Explanation:

we know that

The measure of arc AB is equal to the measure of angle 1 by central angle

so

`arc\ AB=m<1` -----> by central angle

we have

`m<1=30\°`

therefore

`arc\ AB=30\°`