Answer:(3x + 7) (x +5)
Step-by-step explanation:
<span>A polygon is any 2-dimensional shape formed with straight lines. Triangles, quadrilaterals, pentagons, and hexagons are all examples of polygons.</span><span> A triangle has three sides, and a quadrilateral has four sides.
-https://www.google.com.tw/search?q=Which+figures+are+polygons%3F&ie=utf-8&oe=utf-8&client=firefox-b-...
</span>
Answer:
12.57 inches
Step-by-step explanation:
the formula is l = x/360 (2 pi r) so you solve from there
