Answer:
=8x2+10x
Step-by-step explanation:
2x(4x+5)
=(2x)(4x+5)
=(2x)(4x)+(2x)(5)
Answer:
twenty four
Step-by-step explanation:
The sum of the interior angles of a polygon with N sides is (N-2) x 180 degrees.
For a 30-gon, the sum of interior angles is (28) x (180) = <u>5,040 degrees</u>.
It makes no difference whether or not the polygon is convex at every vertex.
C.35cm
Should be the right answer