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kirill [66]
2 years ago
10

An equilateral triangle with side lengths of 8.7 centimeters is shown. An apothem has a length of a and the radius has a length

of 5 centimeters. The apothem and radius form a triangle with a base length of b.
Which statements about finding the area of the equilateral triangle are true? Select three options.

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.
Mathematics
2 answers:
Zepler [3.9K]2 years ago
7 0

Answer:

Sorry I need point's... :(

Step-by-step explanation:

mr Goodwill [35]2 years ago
3 0

Answer:

a,b,d

Step-by-step explanation:

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Type the correct answer in each box. find the cofactors of each entry in the first row of the matrix . ac11 = ac12 = ac13 =
natima [27]

The cofactors of each entry in the first row of the matrix are

Ac_11 = -13

Ac_12 = 44

Ac_13 = 27

We have to determine the cofactors of each entry in the first row of the matrix.

Therefore the cofactors of each entry in the first row of the matrix are

Ac_11 = -13

Ac_12 = 44

Ac_13 = 27.

A set of numbers is arranged in rows and columns so as to form a rectangular array. The numbers are called the elements, or entries, of the matrix.

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2 years ago
If all the sides of a prism are multiplied by 5, by what factor does the volume increase?
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