which statements about finding the area of the equilateral triangle are true? check all that apply.
the apothem can be found using the pythagorean theorem.
the apothem can be found using the tangent ratio.
the perimeter of the equilateral triangle is 15 cm.
the length of the apothem is approximately 2.5 cm.
the area of the equilateral triangle is approximately 65 cm2.

70

step-by-step explanation:

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answer: 8

step-by-step explanation: if you add the possibilities 5 different flavor and 3 different sizes 5+3=8

an = 22 + (n-1) *6

110 seats

step-by-step explanation:

an=a1+(n-1)(d)

a1 = 22   this is the first item in the sequence

d =6   this is how the sequence goes up

a)   an = 22 + (n-1) *6

b) a12 = 22 + (12-1) *6

    a12 = 22+11*6

  a12 = 22 +88

  a12 = 110