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

Statements

case 1) The apothem can be found using the Pythagorean theorem

The statement is True

we know that

If ABC is an equilateral triangle (see the attached figure with letters to better understand the problem)

then

AB=BC=AC

Applying the Pythagorean Theorem

case 2) The apothem can be found using the tangent ratio

The statement is True

we know that

case 3) The perimeter of the equilateral triangle is 15 cm

The statement is False

we know that

perimeter of the equilateral triangle is equal to

case 4) The length of the apothem is approximately 2.5 cm

The statement is True

see case 1) and case 2)

case 5) The area of the equilateral triangle is approximately 65 cm2

The statement is False

Applying the law of sines

therefore

the answer is

case 1) The apothem can be found using the Pythagorean theorem

case 2) The apothem can be found using the tangent ratio

case 4) The length of the apothem is approximately 2.5 cm

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step-by-step explanation:

step-by-step explanation:

in which figure is point g a centroid