Question

Each list shows the interior angle measures of a quadrilateral. Which set of measures describes a quadrilateral that cannot be inscribed in a circle?

Answer 1

69°, 103°, 111°, 77°

52°, 64°, 128°, 116°

42°, 64°, 118°, 136°

100°, 72°, 80°, 108°

Answer 2

@ShadowLegendX

Answer 3

Oooh, these are fun

Answer 4

Any ideas?

Answer 5

stupid computer classes dont explain anything or i would done be graduated -.-

Answer 6

i have no idea as i previously stated these classes dont explain anything and even if i did know what i needed to do i bet i would get it wrong every time

Answer 7

AngleA + AngleC = 180
AngleB + AngleD = 180

Answer 8

do i just have to check to see if those angles =180?

Answer 9

Yes

Answer 10

Start with that

Answer 11

alright 1 sec

Answer 12

the only one that didnt add up is C... so would that be right?

Answer 13

Yes, so it canʻt be inscribed in a circle

Answer 14

Really easy right?

Answer 15

:p

Answer 16

alright that was easyer than i thought it just confused me cuz i dont remember them talking about it in the lesson

Answer 17

thanks

Answer 18

No problem