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Chapter 8 - Area

C-75 p. 411. Chapter 8 - Area. Rectangle Area Conjecture The area of a rectangle is given by the formula …. A = bh. ...where A is the area, b is the length of the base, and h is the height of the rectangle. Note: You can use this formula two ways,

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Chapter 8 - Area

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  1. C-75 p. 411 Chapter 8 - Area Rectangle Area Conjecture The area of a rectangle is given by the formula …. A = bh ...where A is the area, b is the length of the base, and h is the height of the rectangle. Note: You can use this formula two ways, each one using a different side as base

  2. C-76 p. 412 Chapter 8 - Area Parallelogram Area Conjecture The area of a parallelogram is given by the formula …. A = bh ...where A is the area, b is the length of the base, h is the parallelogram height. Note: You can use this formula two ways, using a different side as the base.

  3. C-77 p. 417 Chapter 8 - Area Triangle Area Conjecture The area of a triangle is given by the formula …. A = 1/2 bh ...where A is the area, b is the length of the base, and h is the height of the triangle. Note: This formula can be used three different ways, each one using a different side as the base.

  4. C-78 p. 418 Chapter 8 - Area Trapezoid Area Conjecture The area of a trapezoid is given by the formula …. A = 1/2 (b1+b2)h ...where A is the area, b1 and b2 are the lengths of the two bases, and h is the height of the trapezoid.

  5. C-79 p. 418 Chapter 8 - Area Kite Area Conjecture The area of a kite is given by the formula …. A = 1/2 d1 d2 ...where A is the area, d1 is the length of one diagonal, d2 is the length of the other diagonal of the kite.

  6. C-80 p. 427 Chapter 8 - Area Regular Polygon Area Conjecture The area of a regular polygon is given by the formula …. A = 1/2 asn ...where A is the area, a is the length of the apothem, s is the length of a side, and n is the number of sides.

  7. C-80 p. 427 Chapter 8 - Area Regular Polygon Area Conjecture, coda The area of a regular polygon is also given by the formula …. A = 1/2 aP ...where A is the area, a is the length of the apothem, P is the perimeter. ( Note: P = sn )

  8. p. 431 Chapter 8 - Area Pick’s Formula If A is the area of a polygon whose vertices are lattice points, b is the number of lattice points on the boundary of the polygon, and i is the number of interior lattice points, then.... A =1/2 b + i -1

  9. C-81 p. 434 Chapter 8 - Area Circle Area Conjecture The area of a circle is given by the formula... A = πr2 ...where A is the area and r is the radius of the circle.

  10. Section 8-6 p. 437 Chapter 8 - Area Annulus Area Formula The area of an annulus is given by the formula... A = π(R2 -r2) ...where A is the sector area, R is the radius of the outer circle r is the radius of the inner circle.

  11. Section 8-6 p. 437 Chapter 8 - Area Sector Area Formula The area of a sector of a circle is given by the formula... A = (x/360)πr2 ...where A is the sector area, x is the number of degrees of the sector arc, and r is the radius of the circle.

  12. Section 8-6 p. 437 Chapter 8 - Area Segment Area Formula The area of a segment of a circle is given by the formula... A = (x/360)πr2– 1/2 bh ...where A is the segment area, x is the number of degrees of arc, r is the radius of the circle, and b and h are base and height of the triangle being subtracted

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