A polygon cannot have curved sides. Examples of polygons include a triangle, square, rectangle, or any unnamed shape that is closed in, and has straight sides. ... A quadrilateral is a special kind of polygon that has exactly four sides that are all line segments.

Answer:
375
Step-by-step explanation:
12½[30] → 25⁄2[30]
Multiply 25 by 30 [750] then divide by 2 to get 375.
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Answer:
it's 22 I hope you got it right if not then i'm sorry
Gradient =2 because the slope is 2 units. Y-intercept = -2 because it crosses the y-line at -2.
Step-by-step explanation:
option C is the correct answer of this question