Answer:
Step-by-step explanation:
What is a complementary angle?
Less than 90° = acute
more than 90° = obtuse
equal to 180° = straight
more than 360° = reflex
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.
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Answer:
10x^2 - 11x - 6
Step-by-step explanation:
(5x+2)(2x-3)
= 10x^2 - 15x + 4x - 6
= 10x^2 - 11x - 6