Concept 2: Area of slanted Polygons Key Ideas/Tips Regents Examples/ MY NOTES Area of Slanted Polygons Triangle is graphed on the set of axes below. RST Draw a slanted polygon. “box” around How many square units are in the area of ? Label each region with Roman numeral (including the missing region). Calculate the area of each region and subtract form the area of the “box” Watch out! Careful when calculating area what shapes have you made with the box? Rectangle? Square? Triangle? If the shapes are REDRAW BOX. no these, Concept 3: Shortest Distance from a point to a line Key Ideas/Tips Regents Examples/ MY NOTES Finding the shortest distance between a point and a line. Find the shortest distance from the point (-15, 2.5) to the line 5x+6y=30 to the nearest tenth. Memorize! Self-assesses For success Where should you start? Rank the following concepts 1-3 where feel most confident – 1= “ I with this I feel the least comfortable with this topic” 3=” topic” Area of overlapping polygons
Concept 2: Area of slanted Polygons Key Ideas/Tips Regents Examples/ MY NOTES Area of Slanted Polygons Draw a “box” around slanted polygon. Label each region with Roman numeral (including the missing region). Calculate the area of each region and subtract form the area of the “box” Watch out! Careful when calculating area what shapes have you made with the box? Rectangle? Square? Triangle? If the shapes are no these, REDRAW BOX. Triangle RST is graphed on the set of axes below. How many square units are in the area of ? Concept 3: Shortest Distance from a point to a line Key Ideas/Tips Regents Examples/ MY NOTES Finding the shortest distance between a point and a line. Memorize! Find the shortest distance from the point (-15, 2.5) to the line 5x+6y=30 to the nearest tenth. Self-assesses For success – Where should you start? Rank the following concepts 1-3 where 1= “ I feel most confident with this topic” 3=” I feel the least comfortable with this topic” Area of overlapping polygons
14-7-trigonometry-and-area.docx