Answer:
Shouldn't the answer be 126?
Step-by-step explanation:
I'm pretty sure you just have to subtract 18 from 144.
In a quadrilateral the interior angles add up to 360 degrees so if you subtract 90, 53, and 74 from 360 you get the fourth angle
360-90-53-74 = 143
D. 143
Answer:option 3
Step-by-step explanation:
Answer:
a
Step-by-step explanation:
i took the class