Question

Measure of arc ac?

Answer 1

What is the measure of angle ABC?

Answer 2

It would be 90 degree angle as well because its a straight line (even though i didnt draw that very straight)

Answer 3

ok, and what is the measure of angle DBE?

Answer 4

90 degrees as well

Answer 5

So, if two arcs are subtended by the same measure angle, the arcs are ___________

Answer 6

would the arc then be 180?

Answer 7

no, not quite. let's look at it this way. Howmany degrees are in a circle?

Answer 8

360

Answer 9

ok and 90 is what fraction of 360?

Answer 10

1/4?

Answer 11

yea, so that means that the circle is divided into 4 _____ parts

Answer 12

sot the arca are all the same _______

Answer 13

so the arc =45?

Answer 14

not 45 *42*