Chapter 11.1-11.3

Question 1

Herons Formula

Answer 1

Sides of the triangle be (a, b, c) and let s (semi-perimeter) be as follows: s= 1/2(a+b+c) then the area of a triangle is as follows:
A= square root (s(s-a) (s-b) (s-c)

Question 2

Perimeter

Answer 2

Some of the lengths of the sides of a polygon

Question 3

Linear measurement

Answer 3

A one dimensional measurement (length, distance)

Question 4

Area

Answer 4

The number of square units contained in the interior of a polygon

Question 5

Area of a square

Answer 5

Area of a square is the square of the length of its side

A= s2

Question 6

Area congruence postulate

Answer 6

If two polygons are congruent, then they have the same area

Question 7

Area addition postulate

Answer 7

The area of a REGION is the sum of the areas of all it’s nonoverlapping parts

Question 8

Area of a rectangle thm

Answer 8

The area of a rectangle is the product of its base and height

A=b•h

Question 9

Area of a parallelogram thm

Answer 9

The area of a parallelogram is the product of a base and its corresponding height, or

A= b•h

Question 10

Corresponding height

Answer 10

Length of the altitude drawn to the chosen base

Question 11

Area of a triangle thm

Answer 11

The area of a triangle is half the product of a base and its corresponding height, or

A=1/2(b•h)

Question 12

Area of a trapezoid thm

Answer 12

The area of a trapezoid is half the product of the height and the sum of the bases, or

A= 1/2 h (b1 + b2)

Question 13

If the diagonals of a quadrilateral are perpendicular, then

Answer 13

Then the area of the quadrilateral is half the product of the length of the diagonals, or

A= 1/2 (d1) (d2)

Question 14

Kite

Answer 14

A quadrilateral that has two pairs of consecutive congruent sides, but opposite sides are not congruent