3 years ago

Geometry, please answer question ASAP

Mathematics

1 answer:

xz_007 [3.2K]3 years ago

5 0

Answer:

C) 81 degrees

Step-by-step explanation:

all quadrilateral's sum of interiror angles is 360 degrees

right angles are 90 degrees

call measure of angle C =y

360=90+90+99+y

180=99+y

y= 81

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