All quadrilateral angles have to add up to a total of 360°, so we just need to add the angles we already have and subtract that from 360.
135+90+80=305
360-305=55 so your answer is 55!
Answer:
1/5
Step-by-step explanation:
7/10-1/2=1/5
hope it helps:)))
Answer:
b=-1
Step-by-step explanation:
-7+b=-8
Add 7 to each side to isolate b
-7+7+b=-8+7
b = -1
Answer:
40 yd
Step-by-step explanation:
Rectangular prism formula:
A = lwh
A = (2)(4)(5)
A = 40
He made $ 394.90 because you need to add all the large paintings then the small ones then add them all