Question

What is the value of a? Help!!

Answer 1

How far have you gotten?

Answer 2

Uhm not far. I know that this involves the corollaries of inscribed angles or whatever, im just not exactly sure what the process is to finding a.

Answer 3

Very good. That IS pretty far.

Sum of Interior Angles of a quadrilateral is...?

Answer 4

Would it be 360?

Answer 5

Yes. So 100 + 96 + c + d = 360

That's a start. Now what?

Answer 6

c is equal to 84 and d is equal to 80

Answer 7

Why?

Answer 8

uhm i think its cause they're supplementary angles or something

Answer 9

@freckles could you help me with this? this is literally the last question i have to do today lol

Answer 10

Yes, they are supplementary in pairs. You have it just right.

We need more information. The measure of an inscribed angle is 1/2 the arc it intersects. This gives more information.