Chapter 11 Formulas

Question 0

How do you find the area of a parallelogram?

Answer 0

Base • height

Question 1

How do you find the area of a square?

Answer 1

Side length squared

Question 2

How do you find the area of a triangle?

Answer 2

(Base•height) /2 or the square root of semi-perimeter(semi perimeter - side one)(semi perimeter - side two)semi perimeter - side three)

Question 3

How do you find the area of a trapezoid?

Answer 3

((Base one + base two)/2) height or Mh

Question 4

How do you find the median (M) of a trapezoid?

Answer 4

Average the bases

Question 5

How do you find the area of a kite?

Answer 5

(Diagonal one • diagonal two) /2

Question 6

How do you find the area of an equilateral triangle?

Answer 6

(Side length squared • square root of 3) /4

Question 7

How do you find the area of a regular polygon?

Answer 7

1/2 of the apothem • perimeter

Question 8

How do you find the area of a sector?

Answer 8

(The measure of the sectors arc/360) • pie (radius squared)

Question 9

What is true of similar polygons?

Answer 9

That side of polygon one squared/ side of polygon two squared = area of polygon one / area of polygon two

Question 10

What does the median of a triangle create?

Answer 10

Two triangles of equal area

Question 11

How do you find the area of a quadrilateral inscribed in a circle?

Answer 11

The square root of (semi perimeter - side one)(semi perimeter - side two)(semi perimeter - side three)semi perimeter - side four)