Find the value of a and b

a= 28, b=114

Step-by-step explanation:

Please see the attached picture for full solution.

∠AFB= 90° as it is a right angle (marked with a little square)

The sum of angles on a straight line is 180°.

2. angles qrt and qst both measures 156 degrees.

step-by-step explanation:  

we have been given a diagram of a circle and we are told that measure of arc qvt is 156 degrees.  

we can see from our given diagram that angle qrt and angle qst subtends to arc qvt.

since we know that angles subtended by the same arc at the circumference are always equal.

by angle subtended by same arc theorem, measure of angle qrt and angle qst will be equal to the measure of arc qvt.

therefore, angles qrt and qst both measures 156 degrees and 2nd statement is the correct choice.

answer: 414,377,008

step-by-step explanation:

just multiply it