MEDAL AND FAN FOR QUICKEST ANSWER

What is the measure of the missing angle?

https://aoa.sooschools.com/media/g_pal_2015/6/img_quadrilateral_angles.gif

81°
84°
87°
90°

Question

MEDAL AND FAN FOR QUICKEST ANSWER




What is the measure of the missing angle? 



https://aoa.sooschools.com/media/g_pal_2015/6/img_quadrilateral_angles.gif




81°
84°
87°
90°

ltrout · Answer

You should be able to do basic math on this one. Add up the angles that are already there and subtract that answer from 360.

ltrout · Answer

Direct answers aren't allowed on here btw.

ltrout · Answer

$$107+72+91= 270$$
$$360-270 = ?$$

oliviagggg · Answer

I got it it was 90`

ltrout · Answer

Great! That's correct :)

oliviagggg · Answer

Thanks :)

oliviagggg · Answer

but how did you get 360 for this