Answer:
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The surface area of this is letter B.
C) it is a closed figure made up of straight lines.
The answer is 140°
Because we can use exterior angle property here
<u>Exter</u><u>ior</u><u> </u><u>angl</u><u>e</u><u> property</u><u> </u><u>:</u> It states that exterior angle is the sum of two opposite interior angles
y = 120 + 20 = 140°
Answer:
5
Step-by-step explanation:
100= 75 + x2
x=5